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.

synovial sarcoma
(sih-NOH-vee-ul sar-KOH-muh)
A malignant tumor that develops in the synovial membrane of the joints.