While the MDM4 rs11801299 G > A SNP was correlated with the histological grade of BC (p < 0.03) (Table 11), it was significantly associated with the Her2/neu receptor status (p < 0.008) but not associated with ER status (p < 0.38) or PR status (p < 0.49). This evidence concerns the gene ERBB2 and breast cancer.