NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,791 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.
- CNS tumor
- listen (… TOO-mer)
- A tumor of the central nervous system (CNS), including brain stem glioma, craniopharyngioma, medulloblastoma, and meningioma. Also called central nervous system tumor.