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Radiation Oncology

Radiation therapy is one of the most common treatments for cancer and is used in more than half of all cases. It is effective in almost every part of the body. Other names for it include radiotherapy, x-ray therapy, cobalt therapy and irradiation. Radiation therapy uses high-energy radiation from x-rays, neutrons, and other sources to destroy the ability of cancer cells to divide and multiply. Unlike chemotherapy, which exposes the entire body to cancer-fighting chemicals, radiation therapy affects only the tumor and surrounding area.

Radiation therapy can be delivered externally by beam or internally by placing radioactive materials in or near the cancer cells. Before treatment begins, very precise planning must occur.

 
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