What does "Radiation therapy" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
Radiation therapy is a type of treatment used to kill cancer cells and shrink tumors. It uses high-energy particles or waves, such as X-rays, to destroy or damage cancer cells. This therapy can be given externally, by a machine that aims the particles at your body, or internally, through a source placed inside your body. It's a common treatment for many types of cancer.
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