Cancerexternal-beam radiation therapy Share Tweet A type of radiation therapy that uses a machine to aim high-energy rays at the cancer from outside of the body. Also called external radiation therapy.Source: NCI Dictionary of Cancer TermsSearch the Glossary of Medical Terms Previous: external right atrial catheter Next: extracellular matrix NewsletterSign up for the QuackTrack.org newsletter below! Click to commentLeave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ QuackTrack on TwitterTweets by QuackTrack_org Trending Posts