Source:http://linkedlifedata.com/resource/umls/id/C1522449
MSH: The use of IONIZING RADIATION to treat malignant NEOPLASMS and some benign conditions.,CSP: therapeutic use of ionizing and nonionizing radiation; for radioisotope therapy refer to RADIONUCLIDE THERAPY and narrower terms; for therapeutic radiation with visible, laser, or ultraviolet light, respectively refer to PHOTOTHERAPY, LASER THERAPY, or ULTRAVIOLET THERAPY and narrower terms.,NCI: The use of high-energy radiation from x-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors. Radiation may come from a machine outside the body (external-beam radiation therapy), or it may come from radioactive material placed in the body near cancer cells (internal radiation therapy). Systemic radiation therapy uses a radioactive substance, such as a radiolabeled monoclonal antibody, that travels in the blood to tissues throughout the body.,MEDLINEPLUS: <p>Radiation is a form of energy released in particles or waves. In high doses, radiation destroys cells or keeps them from mult