title: Agenesis of the gallbladder. Is preoperative diagnosis possible?
mesh_terms: D000015:Abnormalities, Multiple / Q000000981:diagnostic imaging; D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging; D002765:Cholecystography; D003549:Cystic Duct; D005260:Female; D005704:Gallbladder / Q000002:abnormalities*; D006801:Humans; D008875:Middle Aged