Includes most women who have a family history of breast cancer in a first-degree relative but do not have a known genetic syndrome.Many women who have a family history of breast cancer are still average riskĪverage risk: 12.5% lifetime risk (1 in 8). Most women can be categorized based on history alone for others, risk prediction models are available for use if needed.Incidence is highest among white women and black women, while m ortality is highest among black women. Incidence is going up while mortality has plateaued. Breast cancer is the most common cause of cancer in women, of which t he most common types are invasive ductal carcinoma (54% relative incidence overall) and ductal carcinoma in situ (23%).
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