NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,855 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.
- listen (non-muh-LIG-nunt)
- Not cancerous. Nonmalignant tumors may grow larger but do not spread to other parts of the body. Also called benign.