title: Medial indentation of the duodenal sweep by a dilated inferior vena cava.
mesh_terms: D001164:Arteriovenous Fistula / Q000000981:diagnostic imaging*; D004108:Dilatation, Pathologic; D004386:Duodenum / Q000000981:diagnostic imaging*; D006801:Humans; D007083:Iliac Artery / Q000000981:diagnostic imaging*; D007084:Iliac Vein / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000175:diagnosis; D011859:Radiography; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging*