Radiation therapy (also called radiotherapy) uses high-energy beams or subatomic particles to damage the DNA inside prostate cancer cells. After enough damage, the cells cannot multiply, and they die.

Radiation therapy works by using high-energy X-rays to kill cancer cells. MSK offers precise radiation therapy that kills throat cancer cells with fewer side effects from radiatio ...

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).