A<unk>  or enterectomy (enter- + -ectomy) is a surgical procedure in which a part of an intestine<unk>  is removed, from either the small intestine or large intestine. Often the word enterectomy is reserved for the sense of small<unk> , in distinction from colectomy, which covers the sense of large<unk> .<unk>  may be performed to treat gastrointestinal cancer,<unk>  necrosis, severe enteritis, diverticular disease, Crohn's disease, endometriosis, ulcerative colitis, or<unk>  obstruction due to scar tissue. Other reasons to perform<unk>  include traumatic injuries and to remove polyps when polypectomy is insufficient, either to prevent polyps from ever becoming cancerous or because they are causing or threatening<unk>  obstruction, such as in familial adenomatous polyposis, Peutz–Jeghers syndrome, or other polyposis syndromes. Some patients require ileostomy or colostomy after this procedure as alternative means of excretion. Depending on which part and how much of the intestines are removed, there may be digestive and metabolic challenges afterward, such as short<unk>  syndrome.
Bowel resection
Jejunoileal bypass
Cholecystenterostomy
Gastroenterostomy
Ileojejunal bypass
Partial ileal bypass surgery
Enterotomy
Jejunojejunostomy