external-beam radiation therapy

Pronunciation: (...RAY-dee-AY-shun THAYR-uh-pee)

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 Terms

Date last modified: 2007-08-19Understanding Radiation Therapy: What to Know About External Beam Radiation TherapyInformaciĆ³n sobre la radioterapia: Lo que debe saber sobre la radioterapia externa