The colon and rectum are the last parts of the bowel
(intestine). The bowel extends from the opening where food leaves the stomach
to the opening where feces leave the body (anus). The bowel helps to process
food, absorb nutrients and water, and get rid of waste.
Cancer is shown in a section of the descending
Resection is another name for any operation that removes
tissue or part of an organ. Bowel resection, also called partial colectomy, for
colorectal cancer removes the tumor and part of the colon or rectum around the
tumor. Both ends of the bowel section being removed are stapled and cut. Nearby
lymph nodes, lymph drainage channels, and blood vessels are also
The remaining ends of the bowel are reattached, either
end-to-end, side-to-side, or side-to-end.
If you have laparoscopic surgery, you will have 3 to 6 small
scars. An example is in the picture on the left. Your surgeon may make 1 or 2
of the small openings a little bigger to allow space to complete the procedure.
If so, those scars will be a little longer than the others. If you have an open
resection, you will have one long scar. An example is in the picture on the
August 27, 2012
E. Gregory Thompson, MD - Internal Medicine & Kenneth Bark, MD - Surgery, Colon and Rectal
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