Esophageal Cancer (cont.)
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Radiation therapy (also called radiotherapy) uses high-energy rays to kill cancer cells. It affects cells only in the treated area.
Radiation therapy may be used before or after surgery. Or it may be used instead of surgery. Radiation therapy is usually given with chemotherapy to treat esophageal cancer.
Doctors use two types of radiation therapy to treat esophageal cancer. Some people receive both types:
Side effects depend mainly on the dose and type of radiation. External radiation therapy to the chest and abdomen may cause a sore throat, pain similar to heartburn, or pain in the stomach or the intestine. You may have nausea and diarrhea. Your health care team can give you medicines to prevent or control these problems.
Also, your skin in the treated area may become red, dry, and tender. You may lose hair in the treated area. A much less common side effect of radiation therapy aimed at the chest is harm to the lung, heart, or spinal cord.
You are likely to be very tired during radiation therapy, especially in the later weeks of external radiation therapy. You may also continue to feel very tired for a few weeks after radiation therapy is completed. Resting is important, but doctors usually advise patients to try to stay as active as they can.
Radiation therapy can lead to problems with swallowing. For example, sometimes radiation therapy can harm the esophagus and make it painful for you to swallow. Or, the radiation may cause the esophagus to narrow. Before radiation therapy, a plastic tube may be inserted into the esophagus to keep it open. If radiation therapy leads to a problem with swallowing, it may be hard to eat well. Ask your health care team for help getting good nutrition. See the Nutrition section for more information.
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