Side effects of radiation therapy.

摘要

Radiation therapy is a treatment for cancer. It is done by a machine that makes high-energy waves that destroy cancer cells. Radiation therapy is often used for cancers of the skin, head and neck, breast, prostate, cervix, and colon. It can be used to shrink the cancer before you have surgery to remove it. Radiation therapy can also be used with chemotherapy, which is medicine given through an IV.