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Prevalence of mutations in women with any breast cancer, estrogen receptor-negative (ER-neg) breast cancer, and ER-positive (ER-pos) breast cancer, according to age (in years) at diagnosis and first-degree family history (FHx) of breast cancer. *Any mutation indicates any pathogenic mutation in 12 known breast cancer predisposition genes (ATM, BARD1, BRCA1, BRCA2, CDH1, CHEK2, NF1, PALB2, PTEN, RAD51C, RAD51D, and TP53).
