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No higher breast cancer risk through family

Mothers, sisters and daughters from breast cancer families with known genetic mutations do not all share the same high risk of developing the disease, according to a new international study.

Women with the breast cancer genetic mutations BRCA1 or BRCA2 are at least 10 times more likely to develop breast cancer than the average woman.

The new study found that women who do not have a genetic mutation, but are closely related to women who do have genetic mutations are at an average risk of developing the disease.

Read more at Journal of Clinical Oncology