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 GI bleeding -- 5. Endoscopic mucosal resection for upper GI neoplasia -- 6. Endoscopic submucosal dissection for esophageal neoplasia -- 7. Endoscopic submucosal dissection for gastric neoplasia -- 8. Colonoscopic polypectomy -- 9. Endoscopic submucosal dissection for colorectal neoplasia -- 10. Ablation therapy for gastrointestinal neoplasia -- 11. Endoscopic treatment for Achalasia -- 12. Endoscopic dilation of esophageal strictures -- 13. Stent placement for malignant esophageal obstruction -- 14. Endoscopic dilation and stenting for pyloric strictures -- 15. Endoscopic dilation and stenting for colorectal stricture -- 16. Percutaneous endoscopic gastrostomy -- 17. Enteral tube placement -- 18. Endoscopic treatment of gastrointestinal leaks -- 19. Removal of gastrointestinal foreign bodies -- 20. Therapeutic small bowel endoscopy -- 21. Therapeutic endoscopic ultrasonography.