How does breast cancer differ between males and females?

Updated: Apr 11, 2019
  • Author: Lars J Grimm, MD, MHS; Chief Editor: Eugene C Lin, MD  more...
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Male breast cancer is similar to breast cancer in females in its etiology, family history, prognosis, and treatment. In approximately 30% of cases of breast cancer in men, the family history is positive for the disease. A familial form of breast cancer is seen in which both genders are at increased risk for breast cancer. Male breast neoplasms are relatively rare, in contrast to gynecomastia, which is a relatively common condition. [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]

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