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Radiation therapy uses a stream of high-energy particles or waves, such as x-rays, gamma rays, and alpha and beta particles, to destroy or damage cancer cells. (see ionizing radiation , and electromagnetic radiation). Other names for radiation therapy include radiotherapy, x-ray therapy, cobalt therapy, electron beam therapy and irradiation. Radiation therapy is one of the most common treatments for cancer and is used in more than half of all cancer cases. It is the primary treatment for many kinds of cancer in almost any part of the body, such as certain head and neck tumors, early-stage Hodgkin’s disease and non-Hodgkin’s lymphomas, and certain cancers of the lung, breast, cervix, prostate, testes, bladder, thyroid, and brain. New technology go here

 Radium Machine, Paris 1930

  Radium Therapy, France, 1934