Transrectal muscle sheath colon withdrawal

This operation does not contaminate the abdominal cavity and has less tissue damage. It can protect the internal and external anal sphincter, levator ani and splanchnic nerve, lumbosacral nerve and phrenic nerve plexus from being damaged to ensure defecation and urination functions. However, the mucous membrane is prone to peeling, or complications such as pelvic inflammatory disease, rectal perforation or stenosis due to infection between the two layers of the intestine.

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