Massive pelvic arteriovenous fistula.
D000328:Adult; D001164:Arteriovenous Fistula / Q000601:surgery; D001165:Arteriovenous Malformations; D006801:Humans; D008297:Male; D010388:Pelvis / Q000098:blood supply*; D014555:Urination Disorders / Q000209:etiology