To help you and your family better understand how radiation therapy works and what to expect, the radiation oncology members of ASTRO created this site to explain how radiation therapy can be safely and effectively used to treat cancer.

Featured Treatment

Lung Cancer

What to Expect

Once a cancer diagnosis is made, you will likely talk with your primary care physician along with several cancer specialists to discuss what happens before, during and after treatment.

Cancer Types

Cancer can affect any part of the body. This list of cancer types are those that are most commonly treated with radiation therapy.

Find a Radiation Oncologist

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Clinical Trials

Clinical trials are research studies involving people.

Side Effects

Many of the side effects of radiation therapy are only in the area being treated.

Personal Care

How Should I Care for Myself During Radiation Therapy?

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