Radiation therapy, also known as radiotherapy, is a medical treatment that uses high-energy radiation to kill or shrink cancer cells. The radiation is usually delivered by a machine that directs the radiation beams to the specific area of the body where the cancer cells are located. Radiation therapy is used to treat various types of cancer, including lung cancer, breast cancer, prostate cancer, and brain tumors. The type of radiation therapy used depends on the location and stage of cancer, as well as the patient’s overall health and other medical conditions.
What is radiation therapy?
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