MAP3K1 and breast cancer: We evaluated associations between SNPs in the driver genes TTN (rs10497520), TBX3 (rs2242442, rs8853, rs1061651, and rs12366395), MLL2 (rs11168827), MAP3K1 (rs702688, rs72758040, and rs702689), and SF3B1 (rs4685) with BC risk in BRCA1/2-negative Chilean families [26,27].