Therapeutic Gastrointestinal Endoscopy

1. Endoscopic treatment for esophageal varices.- 2. Endoscopic treatment for gastric varices.- 3. Endoscopic treatment for nonvariceal upper GI bleeding.- 4. Endoscopic treatment for lower gastrointestinal bleeding.- 5. Removal of gastrointestinal foreign bodies.- 6. Endoscopic mucosal resection for upper GI neoplasia.- 7. Endoscopic submucosal dissection for esophageal neoplasia.- 8. Endoscopic submucosal dissection for gastric neoplasia.- 9. Endoscopic management of non-ampullary duodenal neoplasia.- 10. Colonoscopic polypectomy.- 11. Endoscopic submucosal dissection for colorectal neoplasia.- 12. Ablation therapy for gastrointestinal neoplasia.- 13. Endoscopic treatment of GI subepithelial tumors.- 14. Endoscopic dilation of esophageal strictures.- 15. Stent placement for malignant esophageal obstruction.- 16. Endoscopic management for pyloric stricture : dilation, stenting, and pyloromyotomy (G-POEM).- 17. Endoscopic treatment for Achalasia.- 18. Endoscopic dilation and stenting for colorectal stricture.- 19. Percutaneous endoscopic gastrostomy.- 20. Endoscopic treatment for gastrointestinal perforation and leakage.- 21. Therapeutic small bowel endoscopy.- 22. EUS-guided sampling for subepithelial tumors.- 23. Endoscopic treatment of refractory gastroesophageal reflux disease. 

Hoon Jai Chun is Professor and Chief of the Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea. Dr. Chun has established various methods of endoscopic treatment for gastrointestinal diseases and holds numerous patents related to endoscopic diagnostic and therapeutic devices. Furthermore, he has undertaken research studies on prevention and treatment of functional gastrointestinal disease, Helicobacter pylori infectionand gastrointestinal cancer. Dr. Chun has served as Secretary General of the Korean Society of Gastrointestinal Endoscopy and Secretary General of the Korean Society of Gastrointestinal Cancer. He is a Fellow of both the American Gastroenterological Association (AGAF) and the American Society of Gastrointestinal Endoscopy (FASGE).Dr. Chun is also a member of many international gastroenterology societies, including the European Society of Gastrointestinal Endoscopy (ESGE) and Japan Gastroenterological Endoscopy Society (JGES), and is a Fellow of both the American Gastroenterological Association (AGAF) and the American Society of Gastrointestinal Endoscopy (FASGE).He has published more than 400 full scientific articles in the foremost journals and written numerous book chapters. Dr. Chun has also been an editor and a reviewer of more than 15 prestigious international journals. His contributions to the medical sciences and academic advancement have been recognized with many domestic and international academic awards.

Myung-Gyu Choi graduated from the College of Medicine, the Catholic University of Korea, in 1982 and completed his internship and residency in Internal Medicine at St. Mary's Hospital of the Catholic University of Korea. After obtaining his PhDfrom the same graduate schoolin 1993, he served as a visiting scientist at the Mayo Clinic, USA from 1995 to 1997. He is currently Director of the Gastroenterology Center of Seoul St. Mary's Hospital and Professor in