NCI Dictionary of Cancer Terms

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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.

subjective improvement
(sub-JEK-tiv im-PROOV-ment)
An improvement that is reported by the patient, but cannot be measured by the healthcare provider (for example, "I feel better").