RAD51D and breast cancer: Following initial reports of carriers of RAD51D c.620C > T, a number of OC and BC cases from FC HBOC and HBC families were found to carry the same variant in medical genetic units by multi-gene panel testing [42], although an early study of HBC and HBOC families, which included a small number of FC families, did not identify any potentially PVs in RAD51D [126] Table S4).