MedlinePlus Medical Encyclopedia: Breast lumps

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Breast lumps

Less than one-fourth of all breast lumps are found to be cancerous, but benign breast disease can be difficult to distinguish from cancer. Consequently, all breast lumps should be checked by a health care professional.

Update Date: 11/9/2007

Updated by: Peter Chen, M.D., Department of Obstetrics and Gynecology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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