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• Nov. 18 (Thu)
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• Nov. 20 (Sat)

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• KASID
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• Joint Session between KDDW-TDDW-JDDW
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• Free Paper
• Satellite Symposium

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)