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.

occupational therapist
(AH-kyoo-PAY-shuh-nul THAYR-uh-pist)
A health professional trained to help people who are ill or disabled learn to manage their daily activities.