NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,847 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.

fine-needle aspiration biopsy
(... NEE-dul AS-pih-RAY-shun BY-op-see)
The removal of tissue or fluid with a thin needle for examination under a microscope. Also called FNA biopsy.