Endoscopic papillotomy.
D000368:Aged; D014670:Ampulla of Vater / Q000601:surgery*; D001660:Biliary Tract Diseases / Q000601:surgery; D002763:Cholecystectomy; D003251:Constriction, Pathologic / Q000601:surgery; D019723:Endoscopes; D004724:Endoscopy; D042882:Gallstones / Q000601:surgery; D006801:Humans; D008875:Middle Aged; D011183:Postoperative Complications / Q000601:surgery; D013525:Surgical Instruments