Detection of biliary tract disease at operation.
D001652:Bile Ducts / Q000503:physiopathology; D001660:Biliary Tract Diseases / Q000175:diagnosis*; D001662:Biliary Tract Surgical Procedures; D002758:Cholangiography; D003135:Common Bile Duct / Q000601:surgery; D006801:Humans; D008365:Manometry