NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,777 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.

chemoreduction
(KEE-moh-ree-DUK-shun)
Chemotherapy given to shrink a retinoblastoma tumor before treatment with radiation or surgery. It is a type of neoadjuvant therapy.