Choledochal cyst.
D002648:Child; D002758:Cholangiography; D003135:Common Bile Duct / Q000601:surgery; D003137:Common Bile Duct Diseases / Q000151:congenital* / Q000601:surgery; D003560:Cysts / Q000151:congenital* / Q000601:surgery; D006801:Humans