NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,926 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.
- definitive treatment
- listen (deh-FIH-nih-tiv TREET-ment)
- The treatment plan for a disease or disorder that has been chosen as the best one for a patient after all other choices have been considered.