Gallstone simulated by gallbladder septation.
D002765:Cholecystography; D002769:Cholelithiasis / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005704:Gallbladder / Q000002:abnormalities*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011187:Posture; D014463:Ultrasonography