Among these subgroups, the HSP90AB1 + CAF-C1 and DEK + CAF-C2 proportions had higher percentages in BC LM samples than that in BM samples while the NASP + CAF-C3 and NoneHistone_CAF-C4 proportions had lower percentages in BC LM samples (Fig. 2C). This evidence concerns the gene DEK and breast cancer.