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From the American Cancer Society:
Breast cancer is about one hundred times less common in men than in women. For men the lifetime risk is about one in a thousand. Nevertheless, about 2600 new cases of invasive breast cancer will be diagnosed this year.  In 2016, ACS estimates that 440 men will die from brest cancer.

Breast cancer is about 100 times less common among men than among women. For men, the lifetime risk of getting breast cancer is about 1 in 1,000. The number of breast cancer cases in men relative to the population has been fairly stable over the last 30 years.

Men need to know that breast cancer is not limited to women. Possible symptoms of breast cancer to watch for include:

  • A lump or swelling, which is usually (but not always) painless
  • Skin dimpling or puckering
  • Nipple retraction (turning inward)
  • Redness or scaling of the nipple or breast skin
  • Discharge from the nipple

Sometimes a breast cancer can spread to lymph nodes under the arm or around the collar bone and cause a lump or swelling there, even before the original tumor in the breast tissue is large enough to be felt.

These changes aren’t always caused by cancer. For example, most breast lumps in men are caused by gynecomastia (a harmless enlargement of breast tissue). Still, if you notice any breast changes, you should see a health care professional as soon as possible.

Visit the American Cancer Society’s Cancer Statistics Center for more key statistics.