The current analyses suggest that 10 loci are now known to be associated with breast cancer risk for BRCA1 mutation carriers: 1q32, 10q25.3, 19p13, 6q25.1, 12p11, TOX3, 2q35, LSP1 and RAD51L1 all reported here and TERT[31]. Here, TOX3 is linked to breast cancer.