title: Granular cell myoblastoma of the extrahepatic biliary tract.
mesh_terms: D000328:Adult; D001650:Bile Duct Neoplasms / Q000175:diagnosis / Q000473:pathology*; D002764:Cholecystitis / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D005704:Gallbladder / Q000473:pathology; D006801:Humans; D009379:Neoplasms, Muscle Tissue / Q000175:diagnosis / Q000473:pathology*