NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,777 terms related to cancer and medicine.
Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.
- fast-neutron beam radiation
- listen (fast-NOO-tron beem RAY-dee-AY-shun)
- A type of radiation therapy that uses tiny particles called neutrons made by a machine called a cyclotron.