What is left intact, if possible, with LAR procedure?

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Multiple Choice

What is left intact, if possible, with LAR procedure?

Explanation:
Low anterior resection aims to remove the diseased rectum while preserving the anal sphincter and the anal canal. When possible, the anus stays intact so continence and natural bowel function are maintained. After removing the rectum, the remaining colon is connected to the residual anal canal (a coloanal or colorectal anastomosis). The other organs listed aren’t involved in this procedure, so they’re not the ones being preserved for continence. If the tumor is too low or the sphincter can’t be spared, a different operation may be needed that results in a permanent stoma instead.

Low anterior resection aims to remove the diseased rectum while preserving the anal sphincter and the anal canal. When possible, the anus stays intact so continence and natural bowel function are maintained. After removing the rectum, the remaining colon is connected to the residual anal canal (a coloanal or colorectal anastomosis). The other organs listed aren’t involved in this procedure, so they’re not the ones being preserved for continence. If the tumor is too low or the sphincter can’t be spared, a different operation may be needed that results in a permanent stoma instead.

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