Small Intestine Cancer

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Treating Small Intestine Cancer TOPICS

Radiation therapy for small intestine adenocarcinoma

Radiation therapy uses high-energy radiation to kill cancer cells. Radiation therapy may be an option for those whose cancer cannot be removed with surgery and is causing symptoms − for example if a particular spot is painful because of the cancer.

External-beam radiation therapy is the type of radiation used most often for most types of gastrointestinal cancer. It is like having a regular x-ray except it takes longer and involves much higher amounts of radiation. Patients typically have treatments 5 days a week for several weeks. Radiation therapy is used primarily to treat pain from cancer that has spread to the bones or other parts of the body.

The main side effects of radiation therapy to the stomach and intestines include fatigue (tiredness), nausea, vomiting, diarrhea, and mild temporary, sunburn-like skin changes.

More information about radiation therapy can be found in our document Understanding Radiation Therapy: A Guide for Patients and Families.

Last Medical Review: 02/04/2013
Last Revised: 02/14/2014