[Symposium 1] Prevention 1 :  GI Cancer Screening and Prevention

Date / Time	Feb. 21(Fri), 08:30-10:00	Room	Convention Hall A
Session Description	Gastric cancer and colorectal cancer are still prevalent. This is the latest update to FOBT and a new test for colorectal cancer screening. The role of endoscopy and colonoscopy will be discussed as a tool for gastrointestinal cancer screening. In addition, we will look at how to manage high-risk families with hereditary GI cancer.
Speakers	Role of Endoscopy for Gastric Cancer Prevention Kui Son Choi (National Cancer Center, Korea) Modification of FOBT and New Tests for Colorectal Cancer Kim Byung Chang (National Cancer Center, Korea) Colonoscopy Screening for Colorectal Neoplasm Jae Myung Cha (Kyung Hee University School of Medicine, Korea) Screening and Surveillance of Hereditary GI Cancer Finlay Macrae (The Royal Melbourne Hospital, Australia)

[Symposium 2] Pain Control and Nutrition 1 : Treating the Whole Patient or Lowering Symptom Burden

Date / Time	Feb. 21(Fri), 08:30-10:00	Room	Convention Hall B
Speakers	Comprehensive Understanding of Pancreatic Exocrine Insufficiency in Patients with Pancreatic Cancer Dong-Kee Jang (Dongguk University College of Medicine, Korea) Pain Assessment and Treatment in Cancer Patients Eun-Sun Kim (Korea University College of Medicine, Korea) Interventional Management and Radiotherapy in Cancer Pain Sun Hyung Kang (Chungnam National University College of Medicine, Korea) Cancer Related Psychosocial Problems So Hyun Ahn (Chungnam National University College of Medicine, Australia)

[Symposium 3] Translation 1 : Relevant Therapeutic Target in GI Cancer

Date / Time	Feb. 21(Fri), 08:30-10:00	Room	Convention Hall C
Session Description	Novel cancer therapy has been rapidly emerging within the last several years. However, there are various points of relevance between cancers and treatments because of the heterogeneity of tumors. We need to know how the new therapy is relevant in specific tumor types.
Speakers	Target Drug and Immunotherapy in Gastric Cancer Sung-yong Oh (Dong-A University College of Medicine, Korea) Immune Profiling of Cancer Microenvironment and Immune Therapy Target of Colon Cancer Suk-young Lee (Wonkwang University School of Medicine, Korea) Cancer Cell Signal Transduction and New Therapeutic Target in Pancreatic Cancer Joo Kyung Park (Sungkyunkwan University School of Medicine, Korea) Genomic and Immune Profiling in Biliary Tract Cancer Milind Javle (MD Anderson Cancer Center, USA)

Special Lecture 1

Date / Time	Feb. 21(Fri), 10:30-11:15	Room	Convention Hall A+B
Speakers	Introduction of APOLLO (Adaptive Patient-Oriented Longitudinal Learning and Optimization) platform - Translational study of MD Anderson Cancer Center Milind Javleb (The University of Texas/ MD Anderson Cancer Center, USA)

Special Lecture 2

Date / Time	Feb. 21(Fri), 11:15-12:00	Room	Convention Hall A+B
Speakers	History of IASGO Masatoshi Makuuchi (Koto Hospital, Japan)

[Symposium 4] UGI 1 : Endoscopic and Surgical Resection of Gastric Cancer

Date / Time	Feb. 21(Fri), 13:30-15:00	Room	Convention Hall A
Session Description	Recently, new treatment modalities such as therapeutic endoscopy and minimally invasive surgery are being developed in the treatment for early colorectal cancer. In addition, new target therapies and attempts to use NGS are underway in the chemotherapy of colorectal cancer. This session will focus on these new trends.
Speakers	Long Term result of gastric ESD Kee Don Choi (University of Ulsan College of Medicine, Korea) Optimal Treatment Strategy for Non-curative ESD Seong Woo Jeon (Kyungpook National University School of Medicine, Korea) Sentinel Node Navigation Surgery with Endoscopic Treatment Ryu Keun Won (National Cancer Center, Korea) Robot Surgery for GI Surgeons: Future or Fantasy? Vitoon Chinswangwattanakul (Siriraj Hospital, Thailand)

[Symposium 5] HBP 1 : Debates in the Management of IPMN

Date / Time	Feb. 21(Fri), 13:30-15:00	Room	Convention Hall B
Session Description	Multidisciplinary treatment is essential for diagnosis and treatment of pancreatic IPMN, which has been increasing in diagnosis recently. This topic aims to introduce the latest insights which explore ways to improve diagnosis and treatment of IPMN through a multidisciplinary approach.
Speakers	Pathologic Classification of IPMN and Differential Diagnosis with PanIN Seung-mo Hong (University of Ulsan College of Medicine, Korea) Clinical and Radiologic Differential Diagnosis of IPMN Mi-Suk Park (Yonsei University College of Medicine , Korea) Management Strategy and Surveillance of IPMN - Gastroenterologist's Viewpoint Marco J. Bruno (Erasmus Medical Center, Netherlands) Management Strategy and Surveillance of IPMN - Surgeon's Viewpoint Masafumi Nakamura (Kyushu University, Japan)

[Symposium 6] UGI 2 : Recent Outcomes of Surgical Trials for Advanced Gastric Cancer

Date / Time	Feb. 21(Fri), 15:30-17:00	Room	Convention Hall A
Speakers	Current Trials for Laparoscopic Gastric Surgery Sang-Uk Han (Ajou University School of Medicine, Korea) Current Trials for Robotic Gastric Surgery Woojin Hyung (Yonsei University College of Medicine, Korea) New Technicall Tips for Intgracorporeal Anastomosis Shuichi Ohta (Noe Hospital, Japan) Laparoscopic Endoscopy Cooperative Surgery (LECS) Sun Gyo Lim (Ajou University School of Medicine, Korea)

[Symposium 7] LGI 1 : Update and Debate Issues of GEP-NENs

Date / Time	Feb. 21(Fri), 15:30-17:00	Room	Convention Hall B
Session Description	Although GEP-NEN is increasing due to the nature of rare diseases, there are differences in some aspects of effective diagnosis and treatment. In this topic, we aim to discuss recent updates on pathologic diagnosis and effective treatment in each of the common situations.
Speakers	The Pathologic Research Update of the GEP-NENs Jin Hee Sohn (Sungkyunkwan University School of Medicine, Korea) Management of Small Pancreatic NENs: Treatment vs. Follow-up Woo Hyun Paik (Seoul National University College of Medicine, Korea) Management of T1 Rectal NEN: Endoscopy vs. Surgery Seung-Joo Nam (Kangwon National University School of Medicine, Korea) Systemic Treatment Stratification for Advanced GEP-NENs Chen Jie (The First Affiliated Hospital, Sun Yat-Sen University, China)

[Symposium 8] Pain Control and Nutrition 2 : Nutrition Support and Prevention in Oncology

Date / Time	Feb. 21(Fri), 15:30-17:00	Room	Convention Hall C
Speakers	Sarcopenia and Cachexia among Patients with GI Cancer Moonjae Chung (Yonsei University Wonju College of Medicine, Korea) Nutrition Support in Chemotherapy Jae Hyun Kim (Kosin University College of Medicine, Korea) Nutrition Support in Oncosurgery Han Hong Lee (The Catholic University of Korea College of Medicine, Korea) Factors Associated with Sarcopenia in Cancer Survivors Kirang Kim (Dankook University, Korea)

[Symposium 9] LGI 2 : Colon Cancer Treatment Cutting Edge

Date / Time	Feb. 22(Sat), 08:30-10:00	Room	Convention Hall A
Session Description	Recently, new treatment modalities such as therapeutic endoscopy and minimally invasive surgery are being developed in the treatment for early colorectal cancer. In addition, new target therapies and attempts to use NGS are underway in the chemotherapy of colorectal cancer. This session will focus on these new trends.
Speakers	ESD Emerging Technique for Complete Resection of Early Colorectal Cancer Dong-Hoon Yang (University of Ulsan College of Medicine, Korea) Recent Update of Robot Surgery for Colorectal Cancer Treatment Soichiro Ishihara (The University of Tokyo, Japan> Colon Cancer Target Therapy and New Target Dong-Hoe Koo (Sungkyunkwan University School of Medicine, Korea) NGS and Genetic Study Recent Update of CRC Seung Tae Lee (Yonsei University College of Medicine, Korea)

[Symposium 10] Translation 2 : Toward Precision Medicine

Date / Time	Feb. 22(Sat), 08:30-10:00	Room	Convention Hall B
Session Description	Precision medicine has emerged with big data such as omics data which can be managed through high technology. Especially, precision medicine composed of clinical data, omics data, lifestyle and environmental factors. Therefore, big data platforms and artificial intelligence can make it easier to achieve omics data analysis and novel drug development.
Speakers	Clinical Data Standardization for Big Data Platform Seng Chan You (Ajou University School of Medicine, Korea) Deep Learning in Precision Oncology Giltae Song (Pusan National University College of Medicine, Korea) From Classical to Omics Epidemiology of Pancreatic Cancer Nuria Malats (Spanish National Cancer Research Center, Spain) Novel Drug and Target in Development Ming-Huang Chen (Taipai Veteran General Hospital, Taiwan)

[Symposium 11] LGI 3 : Strategies of Management for Obstructive Colorectal Cancer

Date / Time	Feb. 22(Sat), 10:30-12:00	Room	Convention Hall A
Speakers	Emergency Surgery or SEMS for Right-sided Obstructive Colon Cancer Hyung Jin Kim (The Catholic University of Korea College of Medicine, Korea) Emergency Surgery or SEMS for Left-sided Obstructive Colon Cancer Takuya Miura (Hirosaki University School of Medicine, Japan) Is SEMS Useful for the Management of Obstructive Rectal Cancer? Jae Jun Park (Yonsei University College of Medicine, Korea) Debate Session: In the Case of Obstructive Stage IV Colorectal Cancer - The Primary Tumor Should be Resected - Can be Managed Using SEMS prior to Aggressive Chemotherapy Seung Hyuk Baik (Yonsei University College of Medicine, Korea) Jun-Won Chung (Gachon University College of Medicine, Korea)

[Symposium 12] HBP 2 : Therapeutic Innovations in the Management of Advanced Pancreatic Cancer

Date / Time	Feb. 22(Sat), 13:30-15:00	Room	Convention Hall A
Session Description	Despite improvements in treatment, pancreatic cancer still has very poor prognosis. In this topic, we aim to introduce various treatment methods including internal medicine of gastrointestinal oncology, surgery and radiation oncology.
Speakers	Emerging Role of Interventional EUS for Advanced Pancreatic Cancer Dong-wan Seo (University of Ulsan College of Medicine, Korea) Recent Updates n Surgical Management for Pancreatic Cancer Kyoichi Takaori (Keyo University, Japan) Chemotherapy and Immunotherapy: New Agent and Combination Seung Woo Park (Yonsei University College of Medicine, Korea) Revisiting Role of Radiotherapy and Particle Therapy for Pancreatic Cancer Eui Kyu Chie (Seoul National University College of Medicine, Korea)

[Symposium 13] Prevention 2 : New Perspectives on Intervention for Prevention of GI Cancer

Date / Time	Feb. 22(Sat), 13:30-15:00	Room	Convention Hall B
Session Description	Many new attempts have been tried to prevent GI cancer in addition to traditional methods. These include new changes in exercise and weight reduction and studies for the role of microbiota, which will be discussed in this section. And the current status of drug reposition and promising natural products for chemoprevention also will be presented.
Speakers	Exercise and Weight Reduction in GI Cancer Justin Y. Jeon (Yonsei University College of Medicine, Korea) Association between Relative Abundance of Gastric Microbiota and the Risk of Gastric Cancer Jeongseon Kim (National Cancer Center, Korea) Drug Reposition for Chemoprevention in Colorectal Cancer Tae Il Kim (Yonsei University College of Medicine, Korea) Nutritional Intervention for Chemoprevention Yuri Kim (Ewha Womans University College of Medicine, Korea)

[Symposium 14] HBP 3 : Updates in the Management of Bile Duct Cancer

Date / Time	Feb. 22(Sat), 15:30-17:00	Room	Convention Hall A
Speakers	Surgical Strategy to Increase Curative Resection Rates in Patients with Bile Duct Cancer Sang-Jae Park (National Cancer Center, Korea) Oncologic Effectiveness of Aggressive Surgical Resection for Advanced Bile Duct Cancer Masato Nagino (Nagoya University, Japan) Practical Guideline of Chemotherapy for Bile Duct Cancer Jin-Hyeok Hwang (Seoul National University College of Medicine, Korea) Rapidly Evolving Strategies for Cholangiocarcinoma Treatment Dan G. Duda (Harvard Medical School, USA)

[Symposium 15] UGI 3 : Optimal Strategy for the Management of Gastric Cancer

Date / Time	Feb. 22(Sat), 15:30-17:00	Room	Convention Hall B
Session Description	A multidisciplinary approach is essential for diagnosis and treatment of gastric cancer, which has been heterogenous cause and biological background recently. This topic aims to introduce frome prevention of gastric cancer and understanding of Molecular characterization to various strategies of chemotherapy in localized and advanced gastric cancer.
Speakers	Primary and Secondary Prevention of Gastric Cancer Su Youn Nam (Kyungpook National University School of Medicine, Korea) Targeting Pre-cancerous Metaplasia with MEK Inhibition James Richard Goldenring (Vanderbilt University Medical Center, USA) Neoadjuvant and Adjuvant Chemotherapy for Localized Gastric Cancer Hee Seok Moon (Chungnam National University College of Medicine, Korea) Palliative Chemotherapy for Advanced Gastric Cancer Keun-Wook Lee (Seoul National University College of Medicine, Korea)