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Triple Negative Breast Cancer Foundation

Triple-negative breast cancers affect people of all races. Breast cancers in African-American women are more likely to be triple-negative than those in white women.

Among African-American women who develop breast cancer, there is an estimated 20 to 40 percent chance of the breast cancer being triple-negative.

Researchers do not yet understand why premenopausal women and women in some ethnic groups have higher rates of triple-negative breast cancer than other groups of women.

Triple Negative Breast Cancer Foundation

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