Massive resection of the small intestine.
D000006:Abdomen, Acute / Q000175:diagnosis; D001062:Appendectomy; D003967:Diarrhea / Q000209:etiology; D004035:Diet Therapy; D004381:Duodenal Ulcer / Q000150:complications; D005734:Gangrene; D006333:Heart Failure / Q000150:complications; D006801:Humans; D007421:Intestine, Small / Q000601:surgery*; D008286:Malabsorption Syndromes / Q000209:etiology; D008297:Male; D008551:Melena; D008641:Mesenteric Vascular Occlusion / Q000601:surgery*; D008642:Mesenteric Veins; D008875:Middle Aged; D011183:Postoperative Complications; D012008:Recurrence