Member Societies

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• Nov. 18 (Thu)
• Nov. 19 (Fri)
• Nov. 20 (Sat)

• KSG
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• KASL
• KSNM
• KPBA
• KCHUGR
• KASID
• KSGC
• KSPGHAN
• Joint Session between KDDW-TDDW-JDDW
• Others
• Free Paper
• Satellite Symposium

Free Paper 01 : Non-alcoholic Fatty Liver Disease Korean & English

Date / Time	Nov. 18 (Thu), 08:30-09:20
Channel	Channel 6
Chair(s)	Byung Ik Kim (Sungkyunkwan Univ, Korea) Joo Hyun Sohn (Hanyang Univ., Korea)
Speakers	08:30-08:40	Nonalcoholic Fatty Liver Disease Is a Precursor of New-Onset Metabolic Syndrome in Metabolically Healthy Young Adults: A Nationwide Population-Based Study Jeong-Ju Yoo (SoonChunHyang Univ. Bucheon Hosp., Korea)
	08:40-08:50	The Impact of Pylorus Preservation on the Development of Non-Alcoholic Fatty Liver Disease after Pancreaticoduodenectomy; A Retrospective Study Dongsub Jeon (Asan Medical Center, Korea)
	08:50-09:00	Molecular Pathogenesis of Non-Alcoholic Steatohepatitis (NASH) through the Dysregulation of Metabolic Organ Network in the NASH-HCC Model Mouse Treated with Streptozotocin-High Fat Diet Linh Bui Phuong (SMC Laboratories Inc., Japan)
	09:00-09:10	The Association between Alanine Aminotransferase (ALT) and Waist Circumference in Young Adults Tulio Correa (Federal Univ. of Pelotas, Brazil)
	09:10-09:20	Association of Triglyceride-Glucose Index and Hba1C with the Degree of Fibrosis in Patients with Non-Alcoholic Fatty Liver Disease Evaluated by Acoustic Radiation Force Impulse Imaging Jan Catherine Carrera (Chong Hua Hosp., Philippines)

Free Paper 02 : NAFLD and ALD Korean & English

Date / Time	Nov. 18 (Thu), 09:20-10:00
Channel	Channel 6
Chair(s)	Changhyeong Lee (Daegu Catholic Univ., Korea) Tae Hun Kim (Ewha Womans Univ., Korea)
Speakers	09:20-09:30	Simultaneous Analysis of Plasma Metabolomics and Genetic Variants in Pediatric Nonalcoholic Fatty Liver Disease Kyung Jae Lee (Hallym Univ. Sacred Heart Hosp., Korea)
	09:30-09:40	Stratification by Non-Invasive Biomarkers of Non-Alcoholic Fatty Liver Disease in Children Yiyoung Kwon (Samsung Medical Center, Korea)
	09:40-09:50	Impact of Cigarette or E-Cigarette Exposure on Liver Function Parameter in High-Fat-Diet Induced Rats Naufal Arif Ismail (Universitas Islam Indonesia, Indonesia)

Free Paper 03 : GI Oncology-basic/translation English

Date / Time	Nov. 18 (Thu), 10:15-11:05
Channel	Channel 6
Chair(s)	Seungmin Bang (Yonsei Univ., Korea) Jae Jun Park (Yonsei Univ., Korea)
Speakers	10:15-10:25	Interleukin-4 Induced PAK4 Promotes Cell Survival and Proliferation in Colorectal Cancer Cells through MAP2K4 Dependent JNK/p38 Signaling Pathway Se Lim Kim (Chonbuk National Univ. Hosp., Korea)
	10:25-10:35	lncRNAs UC.145 and PRKG1-AS1 Determine the Functional Output of DKK1 in Regulating the Wnt Signaling Pathway in Gastric Cancer Jungho Yoon (Severance Hosp., Korea)
	10:35-10:45	Immunoprofile Analysis to Investigate Prognostic Markers in Pancreaticobiliary Tract Cancers Ji Eun Kim (Samsung Medical Center, Korea)
	10:45-10:55	MRI of Glutamine Uptake in Cancers: Correlation with ASCT2 and Cancer Stem Cell Markers Yoojeong Seo (Yonsei Univ. College Of Medicine, Korea)
	10:55-11:05	Development of Drug Screening Platform Using PDAC Patient Avatar, PDAC Organoids Model: Chemotherapy Efficacy between Organoid and Real-World Data Yeji Shin (Samsung Medical Center, Korea)

Free Paper 04 : GI Oncology-clinical Korean

Date / Time	Nov. 18 (Thu), 11:05-11:45
Channel	Channel 6
Chair(s)	Jai Hoon Yoon (Hanyang Univ., Korea) Yoonjae Kim (Gachon Univ., Korea)
Speakers	11:05-11:15	Unraveling Tumor-Immune Heterogeneity and Suppressive Microenvironment in Pancreatic Ductal Adenocarcinoma Seung-Hoon PI (Samsung Medical Center, Sungkyunkwan Univ. School of Medicine, Korea)
	11:15-11:25	Predictive Biomarkers to Chemotherapy in Patients with Pancreatic Cancer: Preliminary Results of a Prospective Cohort Study Jung Won Chun (National Cancer Center, Korea)
	11:25-11:35	Comparison of the Quantity and Size Distribution between Normal Cell Free DNA and Circulating Tumor DNA in Korean Colorectal Cancer Patients Sang Hyun Kim (Korea Univ. Anam Hosp., Korea)
	11:35-11:45	Treatment Patterns and Outcomes for Pancreatic Cancer Patients in Korea, 2006-2019: A Nationwide Population-Based Study Byung Kyu Park (National Health Insurance Service Ilsan Hosp., Korea)

Free Paper 05 : Cirrhosis and Related Complications Korean & English

Date / Time	Nov. 18 (Thu), 12:25-13:15
Channel	Channel 6
Chair(s)	Won-Choong Choi (Eulji Univ., Korea) Gab Jin Cheon (Univ. of Ulsan, Korea)
Speakers	12:25-12:35	The Model for End-Stage Liver Disease-GFR Assessment in Liver Disease-Sodium (MELD-GRAIL-Na) Was an Inferior Predictor of Mortality Than the Model for End-Stage Liver Disease (MELD) in Korean Patients with Cirrhosis Jung Woo Kim (Konkuk Univ. Medical Center, Korea)
	12:35-12:45	Comparison of Mortality Prediction between the Model for End-Stage Liver Disease-Lactate (MELD-La) and the Model for End-Stage Liver Disease (MELD) in Korean Patients with Liver Cirrhosis Jung Woo Kim (Konkuk Univ. Medical Center, Korea)
	12:45-12:55	Diagnostic Efficacy of Serum Asialo 1-Acid Glycoprotein Levels for Liver Fibrosis and Cirrhosis in CHB Compared to Healthy Subjects: A Prospective Study Yoon Seok Lee (Korea Univ. Guro Hosp., Korea)
	12:55-13:05	GMCSF Modulates Circulating Myeloid Derived Suppressor Cells and Tregs Suppressive Activity in Decompensated Cirrhotic Patients with Sepsis Rashi Sehgal (Institute of Liver and Biliary Sciences, India)
	13:05-13:15	Cardiac Diastolic Dysfunction Predicts Poor Prognosis in Patients with Decompensated Liver Cirrhosis Sahar Nasr (Univ. Hosp. Mohamed Taher Maamouri, Tunisia)

Free Paper 06 : Viral Hepatitis B and C Korean & English

Date / Time	Nov. 18 (Thu), 13:15-13:55
Channel	Channel 6
Chair(s)	Jeong Ill Suh (Dongguk Univ., Korea) Moon Seok Choi (Sungkyunkwan Univ., Korea)
Speakers	13:15-13:25	Evaluating the Efficacy and Safety of Switching from Tenofovir Disoproxil Fumarate to Besifovir Dipivoxil Maleate in Virologically Suppressed Chronic Hepatitis B Patients Hyung Joon Yim (Korea Univ., Korea)
	13:25-13:35	Switching from Tenofovir-Based Combination Therapy to Tenofovir Monotherapy in Multi-Drugexperienced Chronic Hepatitis B Patients: A 60-Month Experience at Two Centers Junghun Kim (Konkuk Univ. Medical Center, Korea)
	13:35-13:45	Reduced Clinical Outcomes among Direct Anting Antiviral Treated Geriatric Patients with Chronic Hepatitis C: A Prospective, Multicenter Cohort Study Gwang Hyeon Choi (Seoul National Univ. Bundang Hosp., Korea)
	13:45-13:55	Pharmacovigilance Study of Ribavirin in Chronic Hepatitis C Patients in Different Clinical Settings of Hyderabad, Pakistan Mudassar Iqbal Arain (Univ. of Sindh, Jamshoro, Pakistan)

Free Paper 07 : Pancreatobiliary 1 English

Date / Time	Nov. 18 (Thu), 14:10-14:50
Channel	Channel 6
Chair(s)	Yong Woo Choi (Konyang Univ., Korea) Seon Mee Park (Chungbuk National Univ., Korea)
Speakers	14:10-14:20	The Predictor of Malignant in Intraductal Papaillary Neoplasm of the Bile Duct Sung Yong Han (Pusan National Univ. Hosp., Korea)
	14:20-14:30	Pancreatic Adenocarcinoma Up-Regulated Factor Is a Novel Prognostic Biomarker and Therapeutic Target for Pancreatic Cancer: Standardization of Immunohistochemistry for Future Clinical Trials Kwangrok Jung (Seoul National Univ. Bundang Hosp., Korea)
	14:30-14:40	An Investigation of the Association between Inherited Lysosomal Storage Disorder Gene and PDAC Based on Two Hit Theory Hyung Rae Kim (Samsung Medical Center, Korea)
	14:40-14:50	Deep Single-Cell Transcriptomic Profile of Fibroblasts and Epithelial Cells in Pancreatic Ductal Adenocarcinoma Galam Leem (Severance Hosp., Korea)

Free Paper 08 : Pancreatobiliary 2 English

Date / Time	Nov. 18 (Thu), 14:50-15:40
Channel	Channel 6
Chair(s)	Ho Soon Choi (Hanyang Univ., Korea) Woo Jin Lee (National Cancer Center, Korea)
Speakers	14:50-15:00	Prognostic Relevance of Sphingosine 1-Phosphate Receptor 2 and Takeda G Protein-Coupled Receptor 5 in Resected Extrahepatic Cholangiocarcinoma Yang Tae Park (Korea Univ. Guro Hosp., Korea)
	15:00-15:10	A Terpene Preparation for the Pharmacological Prevention of Recurrence of Common Bile Duct Stone after Endoscopic Removal: A Prospective, Multicenter, Randomized Pilot Study Won Jae Yoon (Ewha Womans Univ. Seoul Hosp., Korea)
	15:10-15:20	Correlations of Bile and Duodenal Microbiota with Recurrent Common Bile Duct Stone Patients Jungnam Lee (Inha Univ. Hosp., Korea)
	15:20-15:30	Comparison of the Long-Term Outcomes of Proximal IgG4-Related Sclerosing Cholangitis and Distal IgG4-Related Sclerosing Cholangitis: A Retrospective Multicenter Study Sung Hyun Cho (Asan Medical Center, Korea)
	15:30-15:40	Clinical Benefit of Gemcitabine-Based Chemotherapy for Extreme Elderly Patients with Pancreatic Cancer Dong Wook Lee (Kyungpook National Univ., Korea)

Free Paper 09 : Lower GI 1 English

Date / Time	Nov. 19 (Fri), 08:30-09:20
Channel	Channel 6
Chair(s)	Kyu Chan Huh (Konyang Univ., Korea) Hyungun Kim (Soonchunhyang Univ., Korea)
Speakers	08:30-08:40	Comparison between CleanViewAL (1L Polyethylene Glycol with Ascorbic Acid, PEG-Asc) and Plenvu (1L PEG-Asc) for Colonoscopic Bowel Preparation: Prospective Randomized Non-Inferiority Study Suh Hyun Choi (Inje Univ. Seoul Paik Hosp., Korea)
	08:40-08:50	Impact of Colonoscopy on Colorectal Cancer Incidence among Persons 40-49 Years Su Young Kim (Yonsei Univ. Wonju, Korea)
	08:50-09:00	Predictive Value of microRNA Level in Normal Tissue Adjacent to the Tumor (NAT) for Prognosis of Colorectal Cancer Patients Lui Ng (The Univ. of Hong Kong, Hong Kong)
	09:00-09:10	A Fecal Immunochemical Test Can Be a New Screening Tool for Dementia: A Nationwide Population-Based Study in Korea Yu Kyung Jun (Seoul National Univ. Hosp., Korea)
	09:10-09:20	The Assessment of Ocimum Sanctum L. Flower Aqueous Extract for Inhibition of Cholesterol Absorption in Human Colorectal Adenocarcinoma (Caco-2) Cells Jakkapong Inchai (Chiangmai Univ., Jakkapong Inchai, Thailand)

Free Paper 10 : Lower GI 2 English

Date / Time	Nov. 19 (Fri), 09:20-10:00
Channel	Channel 6
Chair(s)	Sang Wook Kim (Jeonbuk National Univ., Korea) Ja Seol Koo (Korea Univ., Korea)
Speakers	09:20-09:30	Identification of Optimal Cut-Off Value about Clinical, Chemical and Endoscopic Remission in Korean Inflammatory Bowel Disease Patients through Proactive Therapeutic Drug Level Monitoring of Infliximab Joo Hye Song (Samsung Medical Center, Korea)
	09:30-09:40	Comparison between Proactive and Reactive Therapeutic Drug Monitoring in Patients with Inflammatory Bowel Disease Who Treated Infliximab Joo Hye Song (Samsung Medical Center, Korea)
	09:40-09:50	IBD Associated Surveillance Dysplasia Program: New Integrated Model - Royal Brisbane Hospital Update Year 1: Audit, Summary, Future Directions and Literature Review Irwin Kashani (Royal Brisbane Hosp., Australia)
	09:50-10:00	Correlation of Total Cholesterol and Gut Damage Status after Intervention of Synbiotic Drink of Stelechocarpus Burahol with Lactobacillus Casei and Lactobacillus Plantarum Isolates: A Dyslipidemic Rats Model Study Alfian Novanda Yosanto (Universitas Islam Indonesia, Indonesia)

Free Paper 11 : Upper GI 1 English

Date / Time	Nov. 19 (Fri), 10:15-10:55
Channel	Channel 6
Chair(s)	Jung Hwan Oh (The Catholic Univ. of Korea, Korea) Sun-Young Lee (Konkuk Univ., Korea)
Speakers	10:15-10:25	Changes in Gut Virome after Helicobacter Pylori Eradication Lingling Wang (The Univ. of Hong Kong, Hong Kong)
	10:25-10:35	Bacteria-Derived Extracellular Vesicles in Urine as a Novel Biomarker for Gastric Cancer: Integration of Liquid Biopsy and Metagenome Analysis Jae Yong Park (Chung-Ang Univ., Korea)
	10:35-10:45	A Randomized Controlled Trial to Compare Helicobacter Pylori Eradication Rates between the Empirical Concomitant and Tailored Therapy Based on 23S rRNA Point Mutation Sujin Kim (Pusan National Univ. Yangsan Hosp., Korea)
	10:45-10:55	Optimal Timing of H. Pylori Eradication after Endoscopic Submucosal Dissection of Gastric Neoplasm; A Multicenter Prospective, Randomized, Controlled Study Cheal Wung Huh (Yongin Severance Hosp., Korea)

Free Paper 12 : Upper GI 2 Korean

Date / Time	Nov. 19 (Fri), 10:55-11:45
Channel	Channel 6
Chair(s)	Hang Lak Lee (Hanyang Univ., Korea) Moon Kyung Joo (Korea Univ., Korea)
Speakers	10:55-11:05	Sex and Age Differences in Histology, Staging, and Survival in 14,861 Patients with Gastric Cancer Hyeong Ho Jo (Seoul National Univ. Bundang Hosp., Korea)
	11:05-11:15	Epstein-Barr Virus but Not Helicobacter Pylori Infection Affects the Clinical Outcome of Gastric Carcinoma Jin Hee Noh (Asan Medical Center, Korea)
	11:15-11:25	Visceral Fat Proportion and Sarcopenia Are Associated with Increased Risk of Early Gastric Neoplasia Dong-Won Ahn (Seoul National Univ. Boramae Medical Center, Korea)
	11:25-11:35	Mutational Landscape of Early Gastric Cancer with Pre-Existing Adenoma Based on Whole Exome Sequencing Bokyung Kim (Seoul National Univ. Hosp., Korea)
	11:35-11:45	Risk Factors of Lymph Node Metastasis in Undifferentiated Early Gastric Cancer Meeting the Criteria for the Expanded Indication for Endoscopic Submucosal Dissection Jiyoung Yoon (Uijeongbu Eulji Medical Center, Eulji Univ., Korea)

Plenary Session English

Date / Time	Nov. 19 (Fri), 12:25-13:55
Channel	Channel 6
Chair(s)	Jae J. Kim (Sungkyunkwan Univ., Korea) Han Chu Lee (Univ. of Ulsan, Korea) Joo Young Cho (CHA Univ., Korea)
Speakers	12:25-12:40	Prevalence and Trends of Multiple Antimicrobial Resistance of H. Pylori in Korea Jung Won Lee (Sungkyunkwan Univ., Samsung Changwon Hosp., Korea)
	12:40-12:55	Clinical Efficacy of Cine MR in the Assessment of Small Bowel Motility: A Dynamic Evaluation for Patients with Megacolon Kyuwon Kim (Univ. of Ulsan College of Medicine, Asan Medical Center, Korea)
	12:55-13:10	Clinical Outcomes and Validation of GLOBE, UK-PBC and UDCA Response Score in Korean Patients with PBC Jong-In Chang (Samsung Medical Center, Sungkyunkwan Univ. School of Medicine, Korea)
	13:10-13:25	Combination Corticosteroids with 5-Aminosalicylic Acids versus Corticosteroids Alone in the Treatment of Hospitalized Patients with Acute Severe Ulcerative Colitis: A Multicenter Randomized Controlled Trial Jae Hee Cheon (Yonsei Univ., Korea)
	13:25-13:40	Preclinical Evaluation of Endoscopic Placement of Steroid-Eluting Metal Stent in an in Vivo Porcine Benign Biliary Stricture Model Sung Ill Jang (Yonsei Univ., Korea)
	13:40-13:55	Synthetic Lethal Targeting of Colorectal Cancer by Drug Loaded Customized Polymeric and Superparamagnetic Iron-Oxide Nanoparticles (SPIONS) in CHEK-2 and BLM Genetically Deficient Colorectal Cancer Cells Anas Ahmad (Institute of Nano Science and Technology, India)

Free Paper 13 : Lower GI 3 English

Date / Time	Nov. 19 (Fri), 14:10-15:00
Channel	Channel 6
Chair(s)	Kang-Moon Lee (The Catholic Univ. of Korea, Korea) Won Moon (Kosin Univ., Korea)
Speakers	14:10-14:20	Investigation on the Changes in Fecal Microbiota Composition after Treatment with Exclusive Enteral Nutrition in Newly Diagnosed Korean Children and Adolescents with Crohn's Disease Ben Kang (Kyungpook National Univ., Pediatrics, Korea)
	14:20-14:30	DNA Methylation Profiles Accurately Predict Response to Ustekinumab and Show Stability during Both Induction and Maintenance Treatment in Moderate-Severe Crohns Disease Vincent Joustra (Amsterdam Umc Location Amc, Netherlands)
	14:30-14:40	Predicting Outcomes for Crohns Disease Using a Molecular Biomarker: PROFILE Trial Interim Update Nurulamin Noor (Cambridge Univ. Hosp.s Nhs Trust, United Kingdom)
	14:40-14:50	Are Clinical Decision Support Tools for Vedolizumab and Ustekinumab in Biologic Nave Patients with Crohns Disease Drug-Specific? Ji Eun Kim (Samsung Medical Center, Korea)
	14:50-15:00	Neutrophil to lymphocyte ratio and platelet to lymphocyte ratio in patient with intestinal Behcet's disease as a marker of disease activity Byung Wook Jung (Yonsei Univ. College of Medicine, Korea)

Free Paper 14 : Lower GI 4 English

Date / Time	Nov. 19 (Fri), 15:00-15:40
Channel	Channel 6
Chair(s)	Yon Ho Choe (Sungkyunkwan Univ., Korea) You Sun Kim (Inje Univ., Korea)
Speakers	15:00-15:10	Changing Performance and Outcome of Colorectal Cancer Screening before and during COVID-19 Pandemic in Korea Hyunil Kim (Wonju Severance Christian Hosp., Korea)
	15:10-15:20	The Changes in Trends of Lower Gastrointestinal Endoscopy Conducted in Children and Adolescents after the COVID-19 Outbreak in Korea Sujin Choi (Kyungpook National Univ. Medical Center, Korea)
	15:20-15:30	The Occurrence of Infection-Related Gastrointestinal Systemic Diseases in Korean Children and Adolescents Has Decreased after the Spread of the COVID-19 Pandemic Sujin Choi (Kyungpook National Univ. Medical Center, Korea)
	15:30-15:40	Free Antibodies-to-Infliximab Is a Superior Biomarker for Predicting Clinical Outcomes and the Effect of Dose Intensification in Crohns Disease Than Total Antibodies-to-Infliximab Eun Sil Kim (Samsung Medical Center, Korea)

Free Paper 15 : Hepatocellular Carcinoma Korean & English

Date / Time	Nov. 19 (Fri), 15:55-16:45
Channel	Channel 6
Chair(s)	Hee Bok Chae (Chungbuk National Univ., Korea) Yoon Jun Kim (Seoul National Univ., Korea)
Speakers	15:55-16:05	Impact of Tumor Size on Outcome of Hepatectomy for Hepatocellular Carcinoma: A Nationwide Propensity Score Adjusted Analysis Suk Kyun Hong (Seoul National Univ. Hosp., Korea)
	16:05-16:15	Long-Term Outcomes of Transarterial Radioembolization for Large Single Hepatocellular Carcinoma: A Comparison to Resection Jihye Kim (Seoul National Univ. College of Medicine, Korea)
	16:15-16:25	Steatosis of Hepatocellular Carcinoma: Association with Underlying Liver Disease and Clinico-Pathological Characteristics Hyungjin Rhee (Severance Hosp., Korea)
	16:25-16:35	The Prognostic Role of Albumin-Bilirubin (ALBI) Grade in Dialysis Patients with Hepatocellular Carcinoma Shu Yein Ho (Min-Sheng General Hosp., Taiwan)
	16:35-16:45	Machine Learning Models in the Prediction of One-Year Mortality in Patients with Advanced Hepatocellular Cancer Treated with Immunotherapy Thomas Ka-Luen Lui (Li Ka Shing Faculty of Medicine, Univ. of Hong Kong, Hong Kong)

Free Paper 16 : Basic Research and Drug Induced Liver Injury Korean & English

Date / Time	Nov. 19 (Fri), 16:45-17:25
Channel	Channel 6
Chair(s)	Jin-Wook Kim (Seoul National Univ. Bundang Hosp., Korea) Won Young Tak (Kyungpook National Univ., Korea)
Speakers	16:45-16:55	RNA-Seq Analysis of Liver from NASH-HCC Model Mouse Treated with Streptozotocin-High Fat Diet Linh Bui Phuong (SMC Laboratories Inc., Japan)
	16:55-17:05	YAP/TAZ Expression in Hepatocellular Carcinoma (HCC) and Effects of YAP/TAZ Inhibition on HCC Sojung Han (Uijeongbu Eulji Medical Center, Eulji Univ., Korea)
	17:05-17:15	Biliary Organoids Engraft and Differentiate Into Functional Hepatocytes in Chronically-Injured Mice Liver Savneet Kaur (Institute of Liver and Biliary Sciences, India)
	17:15-17:25	Etiology and Clinical Characteristics of Drug-Induced Liver Injury and Herbal and Dietary Supplement-Induced Liver Injury in Korea: A Prospective Multicenter Study Chan Young Jeong (Seoul National Univ. Bundang Hosp., Korea)

Free Paper 17 : Lower GI 5 Korean

Date / Time	Nov. 20 (Sat), 08:30-09:20
Channel	Channel 6
Chair(s)	Young-Eun Joo (Chonnam National Univ., Korea) Soon Man Yoon (Chungbuk National Univ., Korea)
Speakers	08:30-08:40	Usefullness of Magnetic Endoscope Imaging (MEI) for Colonoscopic Training ; Single Center Randomised Controlled Trial Jeongyun shim (Korea Univ. Anam Hosp., Korea)
	08:40-08:50	Improved Adenoma Detection by a Novel Distal Attachment Device, Wingcap-Assisted Colonoscopy; A Prospective Randomized Controlled Trial Seung Wook Hong (Asan Medical Center, Korea)
	08:50-09:00	Artificial Intelligence-Based Measurement Outperforms Current Methods for Colorectal Polyp Size Measurement Min Seob Kwak (Kyung Hee Univ., Korea)
	09:00-09:10	Sessile Serrated Adenoma/Polyps with Synchronous Conventional Adenoma Is Not a Risk Factor for Advanced Neoplasm on Surveillance Colonoscopy Gun Hee Jung (National Cancer Center, Korea)
	09:10-09:20	Reanalysis of Negative Small Bowel Capsule Endoscopy by Deep Convolutional Neural Network Model Improved Diagnostic Yield and Could Change the Outcome Kyungseok ChoI (The Catholic Univ. of Korea Yeouido St. Mary's Hosp., Korea)

Free Paper 18 : Lower GI 6 Korean

Date / Time	Nov. 20 (Sat), 09:20-10:00
Channel	Channel 6
Chair(s)	Jin-Oh Kim (Soonchunhyang Univ., Korea) Beom Jae Lee (Korea Univ., Korea)
Speakers	09:20-09:30	The Prognosis of Endoscopically Incompletely Resected Small Rectal Neuroendocrine Tumor without Additional Treatment Boram Cha (Inha Univ. Hosp., Korea)
	09:30-09:40	Tip-In vs. Precut Endoscopic Mucosal Resection for Rectal Neuroendocrine Tumor Seung Wook Hong (Asan Medical Center, Korea)
	09:40-09:50	Colonic Endoscopic Submucosal Dissection Using a Novel Robotic System Sang Hyun Kim (Korea Univ. Anam Hosp., Korea)
	09:50-10:00	Rebleeding Risk Factors Following Endoscopic Therapy of Small-Bowel Lesions with Device-Assisted Enteroscopy Yuna Kim (Severance Hosp., Korea)

Free Paper 19 : Upper GI 3 Korean

Date / Time	Nov. 20 (Sat), 10:15-11:05
Channel	Channel 6
Chair(s)	Jae Kyu Sung (Chungnam National Univ., Korea) Seong Woo Jeon (Kyungpook National Univ., Korea)
Speakers	10:15-10:25	Theranosis of Gastric Cancer Using LGR5-Specific Peptide Probe Moon hwa Kwak (The Catholic Univ. of Korea Seoul St. Mary's Hosp., Korea)
	10:25-10:35	Association between Blautia/Bacteroides Ratio and Altered Body Mass Index after Bariatric Surgery Jae Hyun Kim (Kosin Univ. Gospel Hosp., Korea)
	10:35-10:45	Low Level Laser Therapy on Stomach Tissue Regeneration Effect: In Vivo Animal Study Han Jo Jeon (Korea Univ. Anam Hosp., Korea)
	10:45-10:55	KDF1 and CDK1 Are Candidate Markers for Prediction of Metachronous Gastric Cancer Development in Patients with Early Gastric Cancer Treated with Endoscopic Submucosal Dissection Bokyung Kim (Seoul National Univ. Hosp., Korea)
	10:55-11:05	Endoscopic and Pathologic Findings of the Upper Gastrointestinal Tract Involvement of Crohn's Disease in Korea: A Prospective Cohort Study Ga Hee Kim (Asan Medical Center, Korea)

Free Paper 20 : Upper GI 4 English

Date / Time	Nov. 20 (Sat), 11:05-11:45
Channel	Channel 6
Chair(s)	Sam Ryong Jee (Inje Univ., Korea) Woo Chul Chung (The Catholic Univ. of Korea, Korea)
Speakers	11:05-11:15	Nursing Care Practice and Documentation of Care Followed by Nursing Personnel among Patients Undergoing Endoscopy, to Develop a Protocol Based Documentation Chart TS Rican (College of Nursing, Institute of Liver and Biliary Sciences, India)
	11:15-11:25	Changes in the Proportion of Gastrointestinal Emergency Endoscopy and Peptic Ulcer Disease during the COVID-19 Pandemic: A Local Retrospective Observational Study from Vietnam Dao Hang (Hanoi Medical Univ., Vietnam)
	11:25-11:35	A Survey of Percutaneous Endoscopic Gastrostomy in Multicenter Korean Medical Institutions Tae Gyun Kim (Kyungpook National Univ. Medical Center, Korea)
	11:35-11:45	Biopsies for Grade D Esophagitis; Do We Need Them? Julia F Simons (Academic Unit of Gastroenterology, Royal Hallamshire Hosp., United Kingdom)

Free Paper 21 : The Basic Science of FGIDs English

Date / Time	Nov. 20 (Sat), 12:25-13:05
Channel	Channel 6
Chair(s)	Hyun Jin Kim (Gyeongsang National Univ., Korea) Kee Wook Jung (Univ. of Ulsan, Korea)
Speakers	12:25-12:35	The Effect of Synbiotics Drink from Green Bean (Vigna Radiata) with Isolate of Lactobacillus sp on Serum Malondialdehyde (MDA) in the Diarrhea Rats (Rattus Norvegicus) Model Hilmi Ardian Sudiarto (Universitas Islam Indonesia, Indonesia)
	12:35-12:45	Intestinal Epithelial Sirtuin 7 Regulates Intestinal Inflammation in In Vivo Murine Model Sang Hyun Kim (Korea Univ. Anam Hosp., Korea)
	12:45-12:55	The Change of Tight Junction Proteins Level in IBS Pateints and Aging Jinyoung Choi (Kyungpook National Univ. Medical Center, Korea)
	12:55-13:05	Alterations of the Gastric Fluid Microbiota in Patients with Functional Dyspepsia Kwang Jae Lee (Ajou Univ., Korea)

Free Paper 22 : Clinical Advancement in FGIDs English

Date / Time	Nov. 20 (Sat), 13:05-13:55
Channel	Channel 6
Chair(s)	Young Hoon Youn (Yonsei Univ., Korea) Yu Kyung Cho (The Catholic Univ. of Korea, Korea)
Speakers	13:05-13:15	The Change of Esophageal Transit Scintigraphy in Patient with Achalasia after POEM Yeon Jin JE (Gangnam Severance Hosp., Korea)
	13:15-13:25	Comparison of P-CABs and PPI on Intragastric pH and Gastrin in Rats Yong Sung Kim (Wonkwang Univ. School of Medicine DDRI, Korea)
	13:25-13:35	Systemic Review and Network Meta-Analysis: The Comparisons of Different Therapeutic Modalities for Idiopathic Achalasia Sz-Iuan Shiu (Taichung Veterans General Hosp., Taiwan)
	13:35-13:45	Efficacy and Tolerability of an Oral Sulfate Tablet for Bowel Preparation for Colonoscopy in Constipated Patients: A Multicenter, Pilot Study Yoo Jin Lee (Keimyung Univ., Korea)
	13:45-13:55	The Prevalence and Risk Factors of Dyspepsia in Teenagers, Thailand Supisara Chingnawan (Triam Udom Suksa Pattanakarn School, Thailand)

Free Paper 23 : Pancreatobiliary 3 English

Date / Time	Nov. 20 (Sat), 14:10-14:50
Channel	Channel 6
Chair(s)	Seok Ho Dong (Kyung Hee Univ., Korea) Seung-Ok Lee (Jeonbuk National Univ., Korea)
Speakers	14:10-14:20	Impact of Saline Irrigation to Reduce Residual Common Bile Duct Stone after Complete Endoscopic Stone Removal: A Prospective Randomized Controlled Trial Tanyaporn Chantarojanasiri (Rajavithi Hosp., Thailand)
	14:20-14:30	Efficacy and Safety of a Novel Electrocautery-Enhanced Lumen-Apposing Metal Stent in Interventional EUS Procedures: A Multinational, Multicenter Study Il Sang Shin (Digestive Disease Center and Research Institute, Soonchunhyang Univ. School of Medicine, Korea)
	14:30-14:40	Endoscopic Ultrasound-Guided Fine Needle Aspiration or Biopsy for Cytohistological Diagnosis of Suspected Gallbladder (GB) Cancer: Sample GB, or Not GB Huapyong Kang (Gachon Univ., Korea)
	14:40-14:50	Long-Term Outcomes of Endobiliary Radiofrequency Ablation Plus Stenting versus Stenting Alone in Patients with Inoperable Hilar Cholangiocarcinoma Yun Nah Lee (Soonchunhyang Univ., Korea)

Free Paper 24 : Pancreatobiliary 4 English

Date / Time	Nov. 20 (Sat), 14:50-15:40
Channel	Channel 6
Chair(s)	Jae Seon Kim (Korea Univ., Korea) Kwang Hyuck Lee (Sungkyunkwan Univ., Korea)
Speakers	14:50-15:00	Efficacy Analysis of Self-Expandable Metal Stents in Malignant Biliary Obstruction According to the Level of the Stent: Above the Ampulla versus Cross the Ampulla Sung Yong Han (Pusan National Univ. Hosp., Korea)
	15:00-15:10	Comparison of Efficacy and Safety between EUS-Guided Hepaticoduodenostomy and Percutaneous Drainage for Malignant Right Intrahepatic Duct Obstruction Sung Hyun Cho (Asan Medical Center, Korea)
	15:10-15:20	Diagnostic Performance of Endoscopic Ultrasound Elastography for Differential Diagnosis of Pancreatic Neuroendocrine Neoplasm, Mass-Forming Chronic Pancreatitis, and Pancreatic Ductal Adenocarcinoma: A Propensity Score-Matched Analysis In Rae Cho (Seoul National Univ. Hosp., Korea)
	15:20-15:30	Enhancement Patterns in the Venous Phase of Contrast-Enhanced Ultrasounds: Diagnostic Value for Patients with Solid Pancreatic Lesions Xueqi Chen (Peking Union Medical College Hosp., Peking Union Medical College and Chinese Academy of Medical Sciences, China)
	15:30-15:40	The Laser Ablation for Pancreatic Cancer Using Cylindrical Light Diffuser Jungnam Lee (Inha Univ. Hosp., Korea)

Free Paper 25 : Pancreatobiliary 5 Korean

Date / Time	Nov. 20 (Sat), 15:55-16:35
Channel	Channel 5
Chair(s)	Chang-il Kwon (CHA Univ., Korea) Jun Kyu Lee (Dongguk Univ., Korea)
Speakers	15:55-16:05	Clinical Characteristics and Time Lag of Cancer Development in Chronic Pancreatitis Patients Jin Hyong Kang (Korea Univ. Guro Hosp., Korea)
	16:05-16:15	Changes of Management Patterns for Pancreatic Cysts from Nationwide Data Jaewoo Park (Seoul National Univ. Bundang Hosp., Korea)
	16:15-16:25	Inhibition of ATR Promoted Antitumor Effect in Combination with Oxaliplatin in Pancreatic Cancer Jung Won Chun (National Cancer Center, Korea)
	16:25-16:35	Analysis of Risk Factors for Post-Papillectomy Bleeding in Ampullary Lesion Ji Ah Choi (Kyungpook National Univ. Medical Center, Korea)

Free Paper 27 : Upper GI 5 English

Date / Time	Nov. 20 (Sat), 15:55-16:35
Channel	Channel 6
Chair(s)	Ki-Nam Shim (Ewha Womans Univ., Korea) Jae Myung Park (The Catholic Univ. of Korea, Korea)
Speakers	15:55-16:05	Natural Language Processing of Esophagogastroduodenoscopy Reports for Information Extraction of Gastric Diseases Gyuseon Song (Department of Biomedical Informatics, CHA Univ. School of Medicine, Korea)
	16:05-16:15	The Scientific Progresses and Prospects of Artificial Intelligence In Digestive Endoscopy: A Comprehensive Bibliometric Analysis Xiaowei Tang (The Affiliated Hosp. of Southwest Medical Univ., China)
	16:15-16:25	The Efficacy of Panchromoendoscopy for the Detection of Synchronous Lesion before Endoscopic Submucosal Dissection for Gastric Tumor: A Prospective, Randomized Controlled Trial Kim Jin Woo (Wonju Severance Christian Hosp., Korea)
	16:25-16:35	A Prospective Comparison of SurePathTM Liquid-Based Cytology and Conventional Smear Cytology in Endoscopic Ultrasound-Guided Sampling of Esophageal, Gastric, and Duodenal Lesions Han Myung Lee (Seoul National Univ. Hosp., Korea)

Free Paper 26 : Upper GI/Lower GI English

Date / Time	Nov. 20 (Sat), 16:35-17:25
Channel	Channel 5
Chair(s)	Hwang Choi (The Catholic Univ. of Korea, Korea) Do Hoon Kim (Univ. of Ulsan, Korea)
Speakers	16:35-16:45	Depression in Patients with Inflammatory Bowel Disease Is Associated with Increased Risk of Dementia and Parkinsons Disease: A Nationwide, Population-Based Study Kookhwan Choi (Seoul National Univ. Hosp., Korea)
	16:45-16:55	Single Strain Probiotic Bifidobacterium Administration in COVID-19 Hüseyin Bozkurt (Maltepe Univ., Turkey)
	16:55-17:05	The Impact of Co-Existing Depression and Anxiety on Outcomes in Inflammatory Bowel Diseases : A Nationwide Population-Based Study Seulji Kim (Seoul National Univ. Hosp., Korea)
	17:05-17:15	Accuracy of Real Time-PCR for Detection of Helicobacter Pylori and Clarithromycin Resistance Jin Hee Noh (Asan Medical Center, Korea)
	17:15-17:25	Gastric Cancer and Ulcer Classification Using Uncertainty-Based Curriculum Learning Yoon Ho Choi (Samsung Medical Center, Korea)

Free Paper 28 : Upper GI 6 English

Date / Time	Nov. 20 (Sat), 16:35-17:25
Channel	Channel 6
Chair(s)	Gwang Ho Baik (Hallym Univ., Korea) Sang Gyun Kim (Seoul National Univ., Korea)
Speakers	16:35-16:45	Clinical Correlation with Morphologic Restoration and Symptom after Peroral Endoscopic Myotomy (POEM) Kim Dae Jun (CHA Univ., CHA Gangnam Medical Center, Korea)
	16:45-16:55	A Thousand and a Hundred Forty Peroral Endoscopic Myotomy for Esophageal Achalasia: 10 Years Experience from a Single Tertiary Center Xiaowei Tang (The Affiliated Hosp. of Southwest Medical Univ., China)
	16:55-17:05	Efficacy and Safety of ClearCut Knife H-Type in Endoscopic Submucosal Dissection for Gastric Neoplasm: A Multicenter Randomized Trial Eun Jeong Gong (Univ. of Ulsan, Korea)
	17:05-17:15	Histopathologic Discrepancies between Endoscopic Forceps Biopsy and Endoscopic Resection Specimens in Non-Ampullary Duodenal Epithelial Tumors Da Mi Kim (Pusan National Univ. Hosp., Korea)
	17:15-17:25	One versus Two Weekly Savary Gilliard Dilatation Protocol for Post-Radiotherapy Esophageal Strictures.A Prospective Randomized Study from a Tertiary Cancer Center Ab Hameed Raina (Ivy Hosp. and Research Center, India)