Among these, 11 CNVRs overlapped with 12 genes (GSTM2, RAB40B, HLA_DRB5, HLA_DRB6, EYA1, DOCK3, ANKS1B, CACNA1C, RAB11FIP3, BAGE, SGCZ, POM121c) and were specifically associated with breast cancer risk and OS. This evidence concerns the gene RAB40B and breast cancer.