title: The role of ultrasonography in diagnosis of primary cholecysta carcinoma.
mesh_terms: D002764:Cholecystitis / Q000175:diagnosis; D002769:Cholelithiasis / Q000175:diagnosis; D003937:Diagnosis, Differential; D005706:Gallbladder Neoplasms / Q000175:diagnosis*; D006801:Humans; D014463:Ultrasonography