Anatomic variation in the gallbladder and bile ducts.
D001652:Bile Ducts / Q000002:abnormalities / Q000032:analysis*; D001659:Biliary Tract / Q000196:embryology; D002758:Cholangiography; D002765:Cholecystography; D005704:Gallbladder / Q000002:abnormalities / Q000033:anatomy & histology*; D006801:Humans