Conformal radiation therapy

Definition of 3-dimensional conformal radiation therapy

3-dimensional conformal radiation therapy

(3-dih-MEN-shuh-nul kun-FOR-mul RAY-dee-AY-shun THAYR-uh-pee)
A procedure that uses a computer to create a 3-dimensional picture of the tumor. This allows doctors to give the highest possible dose of radiation to the tumor, while sparing the normal tissue as much as possible. Also called 3-dimensional radiation therapy and 3D-CRT.

Source: NCI Dictionary of Cancer Terms