title: Sonography in patients with a possible pancreatic mass shown on CT.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000175:diagnosis*; D012189:Retrospective Studies; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography