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How does radiation therapy work on cancer cells?

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First off, you should know that radiation therapy is one of the most common methods used to treat prostate cancer. Thousands of men each year undergo radiation treatments for their cancer. The Basics of Radiation Therapy. Radiation is essentially an invisible, high-energy beam. read more

1. a machine outside the body (external-beam radiation therapy) 2. It may come from radioactive material placed in the body near cancer cells (internal radiation therapy, also called brachytherapy). 3. Systemic radiation therapy uses radioactive substances, such as radioactive iodine, that travel in the blood to kill cancer cells. read more

For some types of cancer, radiation and chemotherapy might be used together. Certain chemo drugs (called radiosensitizers) help radiation work better by making cancer cells more sensitive to radiation. The drawback of getting chemo and radiation together is that side effects are often worse. read more

Radiation therapy may be used to treat almost every type of solid tumor and cancers of the blood (leukemia) and lymphatic system (lymphoma). The type of radiation used depends upon many circumstances, such as the type of cancer and its location. read more