NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,940 terms related to cancer and medicine.

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endocrine-inactive tumor
(EN-doh-krin-in-AK-tiv TOO-mer)
A tumor that is found in endocrine tissue but does not make extra hormones. Endocrine-inactive tumors usually do not cause symptoms until they grow large or spread to other parts of the body. Also called nonfunctioning tumor.