Two other loci, in ZNF365 (rs16917302) on 10q21 and a locus on 20q13 (rs311499), were also associated with breast cancer risk in BRCA2 mutation carriers with P-values<10−4 (P = 3.8×10−5 and 6.6×10−5, respectively). Here, BRCA2 is linked to breast cancer.