NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,804 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.

No matches were found for the word or phrase you entered. Please check your spelling, and try searching again. You can also type the first few letters of your word or phrase, or click a letter in the alphabet and browse through the list of terms that begin with that letter.