Mesenteric vascular malformation.
D000328:Adult; D001164:Arteriovenous Fistula / Q000209:etiology; D006801:Humans; D007421:Intestine, Small / Q000098:blood supply; D008297:Male; D008638:Mesenteric Arteries / Q000002:abnormalities*; D008642:Mesenteric Veins / Q000002:abnormalities*; D008643:Mesentery / Q000098:blood supply*