Radiation treatment in which the total dose of radiation is divided into small doses and treatments are given more than once a day. Hyperfractionated radiation therapy is given over the same period of time (days or weeks) as standard radiation therapy. Also called superfractionated radiation therapy.
( HY-per-FRAK-shuh-NAY-ted RAY-dee-AY-shun THAYR-uh-pee )
Source: NCI Dictionary of Cancer Terms
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