Other cancer predisposition genes including BRIP1, CDH1, CDKN2A, MLH1, MRE11A, MSH2, MSH6, NBN, NF1, PMS2, RAD50, RAD51C, FANCM, XRCC2, and MUTYH—biallelic mutations—have also been investigated in TNBC [9,10,11,12,13,14,15]. Here, RAD51C is linked to cancer.