Banner for Cancer's radiation therapy page

Radiation Therapy

What is Radiation Therapy?

Radiation therapy uses X-rays, gamma rays, and charged particles to kill or shrink cancer cells, and to decrease their ability to divide. Certain levels of radiation work to destroy cancer cells or prevent cells from growing or reproducing. This treatment may provide a cure for cancer, control the disease, or help relieve its symptoms.

What are the Types of Radiation Therapy?
There are generally two types of radiation therapy:


New delivery methods for radiation therapy are under investigation as well.