title: Aortocaval fistula as a complication of abdominal aortic aneurysms.
mesh_terms: D000368:Aged; D001012:Aorta, Abdominal; D001014:Aortic Aneurysm / Q000150:complications*; D001018:Aortic Diseases / Q000209:etiology*; D001019:Aortic Rupture / Q000150:complications; D001164:Arteriovenous Fistula / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D006801:Humans; D008297:Male; D014684:Venae Cavae