title: Duodenal varices secondary to inferior vena cava obstruction.
mesh_terms: D000818:Animals; D003097:Collateral Circulation; D004378:Duodenal Diseases / Q000000981:diagnostic imaging / Q000209:etiology*; D004386:Duodenum / Q000098:blood supply; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014652:Vascular Diseases / Q000150:complications; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging