A Answers (2)
Mehmet Oz, MD, Cardiology, answeredUp to two-thirds of women have what are considered normal breast lumps. They are noncancerous and usually due to fibrocystic changes. Watch Dr. Oz talk more about normal and abnormal breast lumps.
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Stuart Linder, MD, Plastic & Reconstructive Surgery, answered
Breast lumps in fact are very common and they are found in up to 70% of women. Majority of masses or lumps in women's breasts consist of fibrocystic breast lumps or fibrocystic breast disease followed by fibroadenomas. Both the fibrocysts and fibroadenomas are benign, they are not cancerous and the do no have malignant transformation possibilities. All lumps or masses should be diagnosed however, especially with a strong family diathesis of breast cancer. Breast masses should be evaluated for growth clinically as well as diagnostically screened with mammograms, ultrasounds and MRIs. Should there be any question about any microcalcification or an increase in size or suspicion of this mass should be biopsied through fine needle aspiration, Tru-Core biopsy, or through direct excisional biopsy. Approximately one out of every eight women will develop breast cancer and therefore all masses and lumps should be considered for possibility of malignancy.