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Breast Cancer in Men

The American Cancer Society estimates 1,990 new cases of invasive breast cancer will be diagnosed among men in the United States this year.

Breast cancer in men is rare; in fact, less than one percent of all breast cancers occur in men. For men, the lifetime risk of getting breast cancer is one in 1,000.

What are risk factors for breast cancer in men?

Risk factors may include:

  • aging
  • family history
  • obesity
  • radiation exposure
  • estrogen administration (those used in hormonal therapy for prostate cancer)
  • diseases associated with cirrhosis (liver disease) or Klinefelter's syndrome
  • heavy alcohol intake
  • female relatives with breast cancer
  • and certain occupations, such as working in hot environments.

What are the symptoms of breast cancer in men?

Symptoms may include:

  • breast lumps or swelling
  • nipple turning inward
  • nipple discharge (sometimes bloody)
  • a pain or pulling sensation in the breast
  • skin dimpling or puckering. 

The symptoms of breast cancer may resemble other conditions or medical problems. Always consult your physician for a diagnosis.

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