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Understanding Radiation Therapy
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Radiation therapy, sometimes called radiotherapy, is the careful use of radiation to treat cancer safely and effectively.
Cancer doctors called radiation oncologists use radiation therapy to cure cancer, control cancer growth, or relieve symptoms such as pain or bleeding.
Radiation therapy works within cancer cells by damaging their ability to multiply. When these cells die, the body naturally eliminates them.
Healthy cells are also affected by radiation, but they can repair themselves in ways cancer cells cannot.