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Bowel Resection for Colorectal Cancer

Surgery Overview

Resection is another name for any operation that removes tissue or part of an organ. Bowel resection for colorectal cancer, also called partial colectomy, removes the tumor. To make sure that only healthy tissue is left, the doctor removes a small amount of colon or rectum tissue on both sides of the tumor.

The goal of bowel resection is to take out the part of the colon or rectum where the cancer is. Nearby lymph nodes are taken out and tested for cancer. Then healthy parts of the colon or rectum are sewn back together. Bowel resection is done either by opening the abdomen (open resection) or by laparoscopy.

What To Expect

Bowel resection requires general anesthesia. You may stay in the hospital for 4 to 7 days or as long as 2 weeks after surgery.

Sometimes the two parts of the colon or rectum cannot be reattached, so the surgeon performs a colostomy. This creates an opening, called a stoma, on the outside of the body for the stool, or feces, to pass through into a colostomy bag. Usually the colostomy is temporary, until the colon or rectum heals. If the lower part of the rectum has been removed, the colostomy is permanent. Most people who have colon cancer don't need a colostomy.

Treatment after bowel resection may include radiation therapy and chemotherapy, in case there are any cancer cells remaining. Radiation therapy uses X-rays to kill cancer cells. Chemotherapy uses drugs—given either as pills or through a needle—to kill them.

Follow-up care is important because colorectal cancer can come back after surgery, especially if it was not discovered when it was in an early stage.

Why It Is Done

In early-stage cancer, surgery is done to remove as much cancer as possible to give the greatest chance of a cure.

In cases of advanced colorectal cancer that has spread (metastasized) to other parts of the body, bowel resection is often done to remove tumors that are blocking the intestine or causing bleeding.

How Well It Works

Bowel resection is the most successful treatment for invasive colorectal cancer.

Risks

Possible complications after a bowel resection include infection, bleeding, or scar tissue formation (adhesions).

What To Think About

This operation does not usually cause problems, even in older people. Age should not be a reason to avoid having a bowel resection.

In some cases, bowel resection can be done with a laparoscopy. Laparoscopy for bowel resection usually involves 3 to 6 very small incisions instead of one large one. Recovery time is faster.

You and your doctor will think about several things in deciding whether you should have open resection or a laparoscopy. These include:

  • The location and extent of the cancer.
  • Your general health.
  • Whether you have scar tissue in the area from previous surgery.
  • Your doctor's expertise and experience.

Sometimes a laparoscopic surgery has to be changed to an open resection during the surgery.

Credits

Current as ofMarch 27, 2018

Author: Healthwise Staff
Medical Review: E. Gregory Thompson, MD - Internal Medicine
Kathleen Romito, MD - Family Medicine
Kenneth Bark, MD - General Surgery, Colon and Rectal Surgery


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