NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,780 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.

prognostic factor
(prog-NOS-tik FAK-ter)
A situation or condition, or a characteristic of a patient, that can be used to estimate the chance of recovery from a disease or the chance of the disease recurring (coming back).