Stereotactic body radiation therapy

Definition of stereotactic body radiation therapy
National Cancer Institute

stereotactic body radiation therapy

(STAYR-ee-oh-TAK-tik BAH-dee RAY-dee-AY-shun THAYR-uh-pee)
A type of external radiation therapy that uses special equipment to position a patient and precisely deliver radiation to tumors in the body (except the brain). The total dose of radiation is divided into smaller doses given over several days. This type of radiation therapy helps spare normal tissue. Also called SABR, SBRT, and stereotactic ablative body radiation therapy.

Source: NCI Dictionary of Cancer Terms