What is a local transanal resection (full thickness resection)?

This is a type of surgery for rectal cancer that is done with instruments inserted through the anus, without making an opening in the skin of the abdomen. This operation involves cutting through all layers of the rectum to remove cancer as well as some surrounding normal rectal tissue, and then closing the hole in the rectal wall. This procedure can be used to remove some T1 N0 M0 stage I rectal cancers that are relatively small and not too far from the anus. It is usually done with local anesthesia (numbing medicine) -- you are not asleep during the operation.

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