NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,098 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- 3-dimensional radiation therapy
- listen (3-dih-MEN-shuh-nul 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 conformal radiation therapy and 3D-CRT.