RUNX1_rs8130963 (p  =  0.0005), TBX3_rs8853 (p  =  0.0003), TBX3_rs1061651 (p =  0.0002), TTN_rs12465459 (p =  0.0009), were the most significantly associated SNPs with BC risk. Here, TBX3 is linked to breast cancer.