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n. - (medicine) the treatment of disease (especially cancer) by exposure to a substance that emits a type of energy.

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Usage examples (34)
  • Or, to put it another way, a half-dose of radiotherapy is going to make you sick with the side-effects, but not rid you of cancer. bob mcmanus Says:
  • Radiation therapy (also called radiotherapy) uses high-energy rays to kill leukemia cells.
  • Radiation therapy, more generally known as radiotherapy, may be the most often prescribed ...
  • Another treatment that wipes out the brain's stem cells is radiotherapy, which is used with cancer patients.
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