Aortocaval fistula.
D000368:Aged; D001012:Aorta, Abdominal; D001014:Aortic Aneurysm / Q000150:complications; D001018:Aortic Diseases / Q000209:etiology*; D001019:Aortic Rupture / Q000150:complications / Q000209:etiology; D001164:Arteriovenous Fistula / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D014682:Vena Cava, Inferior