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Abdomino-Perineal Excision of Rectum

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An Abdomino-Perineal Excision of Rectum (APER) is a procedure in which a part of the large intestine is removed for treatment of rectal cancer and bowel diseases. Both the back passage (anus, rectum, sigmoid colon) and the bowel muscles are removed. Since it’s not possible to remove the diseased/affected part and join the bowel together, the patient will require a permanent colostomy, where a part of the bowel is brought onto the abdomen so that faeces from the body passes through that, and a bag is worn over the colostomy.