In this study, we provide strong evidence linking the expression of 9 genes that are listed as involved in alcohol metabolism and breast cancer survival (XRCC1, CYP1B1, XPC, GSTP1, MTHFR, XDH, CBS, SOD2, and ITGA5) with FDR adjusted p-values lower than 1e-3. Here, XDH is linked to breast cancer.