Retrograde endoscopic cholangio-pancreaticography (ercp).
D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging; D002758:Cholangiography; D004724:Endoscopy; D006801:Humans; D010179:Pancreas / Q000000981:diagnostic imaging*; D010182:Pancreatic Diseases / Q000000981:diagnostic imaging