This is a surgery to remove all or part of the stomach.
Abdominal Organs, Anterior View
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Gastrectomy is most often done to treat stomach cancer. It is currently the only way to cure stomach cancer. The use of chemotherapy and radiation may help improve survival. Even if the cancer is too advanced to be cured, gastrectomy can help to prevent bleeding, obstruction, and pain.
In addition to treating stomach cancer, this surgery may also be done to treat:
Problems from the procedure are rare, but all procedures have some risk. Your doctor will review potential problems, like:
Before your procedure, talk to your doctor about ways to manage factors that may increase your risk of complications such as:
Your doctor may do the following:
Leading up to your procedure:
General anesthesia will be used. It will block any pain and keep you asleep through the surgery.
An incision will be made in the abdomen. Surgical instruments will be used to remove all or part of the stomach. If only part of the stomach is removed, it is called partial gastrectomy. With this type of surgery, the remaining part of the stomach will be connected to the esophagus and small intestine. If this is done for ulcer disease, the nerves that control acid production may also be cut. If all of the stomach is removed, it is called total gastrectomy. A new stomach will be made using the intestinal tissue. The end of the esophagus will be attached to the small intestine.
If you have stomach cancer, the lymph nodes will be removed and examined as well. This is because cancer can spread through the lymphatic system.
After the surgery is complete, the muscles and skin of the abdomen will be closed with stitches or staples. A dressing will be applied.
1-3 hours or longer
Anesthesia will prevent pain during surgery. Pain and discomfort after the procedure can be managed with medications.
This surgery is done in a hospital setting. The usual length of stay is 6-12 days. Your doctor may choose to keep you longer if complications arise.
Your doctor will give you guidelines on:
During the first few days after surgery, you may be restricted from eating. As your stomach stretches during recovery, you will be able to eat more a little at a time. If you had a total gastrectomy, you will need to eat smaller amounts of foods more often.
After surgery, you may experience:
To treat these symptoms, your doctor will:
Your bowels will work more slowly than usual. Chewing gum may help speed the process of your bowel function returning to normal.
During your stay, the hospital staff will take steps to reduce your chance of infection such as:
There are also steps you can take to reduce your chance of infection such as:
Call your doctor if any of these occur:
If you think you have an emergency, call for emergency medical services right away.
National Cancer Institute
National Institute of Diabetes and Digestive and Kidney Diseases
Canadian Cancer Society
Provincial Health Services Authority
Gastric carcinoma. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T116155/Gastric-carcinoma . Updated December 12, 2017. Accessed January 10, 2018.
Short V, Herbert G, Perry R, et al. Chewing gum for postoperative recovery of gastrointestinal function. Cochrane Database Syst Rev. 2015;2:CD006506.
Stomach cancer Cancer Research UK website. Available at:
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Updated July 6, 2016. Accessed January 10, 2018.
Surgery for stomach cancer. American Cancer Society website. Available at: https://www.cancer.org/cancer/stomach-cancer/treating/types-of-surgery.html. Updated December 15, 2017. Accessed January 10, 2018.
Treatment option overview. National Cancer Institute website. Available at: https://www.cancer.gov/types/stomach/patient/stomach-treatment-pdq#section/_50. Updated April 27, 2017. Accessed January 10, 2018.
Last reviewed November 2018 by
EBSCO Medical Review Board
Daus Mahnke, MD
Last Updated: 03/23/2015