title: Radiological case of the month.
mesh_terms: D000368:Aged; D001012:Aorta, Abdominal / Q000000981:diagnostic imaging; D001014:Aortic Aneurysm / Q000000981:diagnostic imaging*; D001161:Arteriosclerosis / Q000150:complications / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006801:Humans; D007083:Iliac Artery / Q000000981:diagnostic imaging; D008297:Male; D010181:Pancreatic Cyst / Q000000981:diagnostic imaging; D011859:Radiography; D014463:Ultrasonography