External-beam radiation therapy (EBRT) is a treatment where radiation beams come from a source outside the body. Usually, it comes from a machine called a linear accelerator (also called a LINAC).

Dr. Horowitz answers the question: 'Different Types of Radiation Therapy?' March 16, 2009 -- Question: Are there different types of radiation treatment for prostate cancer, and what determines which ...

After surgery to decrease the odds of the cancer returning If a person is unable to undergo surgery, for example if their health does not allow it or if the melanoma is in a hard-to-reach place To ...

Although radiation treatment is one of the primary methods to treat both brain tumors and brain metastases, it can be associated with several adverse effects that can be difficult to diagnose and ...