NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,800 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.
- objective improvement
- listen (ub-JEK-tiv im-PROOV-ment)
- An improvement that can be measured by the health care provider (for example, when a tumor shrinks or there are fewer cancer cells in the blood).