NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,360 terms related to cancer and medicine.
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- charged-particle radiation therapy
- listen (… PAR-tih-kul RAY-dee-AY-shun THAYR-uh-pee)
- A type of external radiation therapy that uses a special machine to make invisible, high-energy particles (protons or helium ions) that kill cancer cells. This type of radiation may cause less damage to nearby healthy tissue than radiation therapy with high-energy x-rays.