title: Endoscopic retrograde cholangiopancreatography after Billroth II operation and endoscopic sphincterotomy.
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery*; D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging* / Q000601:surgery; D002758:Cholangiography; D004598:Electrosurgery; D004724:Endoscopy / Q000379:methods; D005336:Fiber Optic Technology; D005743:Gastrectomy; D006801:Humans; D010182:Pancreatic Diseases / Q000000981:diagnostic imaging* / Q000601:surgery; D011183:Postoperative Complications / Q000000981:diagnostic imaging*; D009803:Sphincter of Oddi / Q000601:surgery*