National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
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benign tumor (beh-NINE TOO-mer)

 A noncancerous growth that does not invade nearby tissue or spread to other parts of the body.

Previous Definitions:benign, benign breast disease, benign proliferative breast disease, benign prostatic hyperplasia, benign prostatic hypertrophy
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