Vascular-enteric fistula: diagnosis by colonoscopy.
D000368:Aged; D001807:Blood Vessel Prosthesis / Q000009:adverse effects; D003113:Colonoscopy; D005402:Fistula / Q000175:diagnosis*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D007083:Iliac Artery; D007412:Intestinal Fistula / Q000175:diagnosis*; D008297:Male; D012810:Sigmoid Diseases / Q000175:diagnosis*