These common perceptions about radiotherapy are not true

Some patients fear that radiation may trigger another cancer, but experts say that is a long-term risk, which is far outweighed by the ability of radiotherapy to treat the cancer they have now. — Filepic

People who have cancer might have the disease treated with several therapies, including chemotherapy and radiation.

Radiation therapy, which more than half of all people with cancer receive as part of their treatment, uses high-powered energy beams, such as X-rays or protons, to kill cancer cells.