FOXP1 and breast cancer: Some breast cancer subtypes, appeared to have no mutation in certain genes: normal-like in BRCA2 and forkhead box p1 (FOXP1) and basal like in checkpoint kinase 2 (CHEK2) and FOXP1. Supplementary Table 11 lists all 455 genes, along with their percentage mutation rates, average mutation rates per subtype and per gene.