ASTRO has a listing of videos, brochures, presentations, and additional resources for patients to learn more about radiation therapy procedures.

MedlinePlus has a listing of freely available resources for patients to learn about radiation therapy.

This links takes you to the National Cancer Institute's information on a variety of radiation therapy treatments for cancer.

RadiologyInfo.org tells you how various x-ray, CT, MRI, ultrasound, radiation therapy and other procedures are performed. It also addresses what you may experience and how to prepare for the exams. All material on the RadiologyInfo.org website is reviewed and approved by experts in the field of radiology from RSNA and the ACR, as well as other professional radiology organizations.