The Radiation Therapy information included on this site is developed in cooperation with the American Society for Therapeutic Radiology and Oncology (ASTRO).

ASTRO is an organization of physicians and scientists designed to disseminate the results of scientific research, promote excellence in patient care and provide opportunities for educational and professional development. For additional information visit ASTRO's patient information Web site at http://www.rtanswers.org 

 

 

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