CD8A and breast cancer: In the GSEA enrichment results (Figure 1B), we observed that the type 1 T helper cell, activated CD8+ T cell, natural killer T cell, activated B cell, activated CD4+ T cell, effector memory CD8+ T cell, activated dendritic cell, macrophage, T follicular helper cell, immature B cell, MDSC, regulatory T cell, mast cell, eosinophil, gamma delta T cell, monocyte, plasmacytoid dendritic cell, natural killer cell and central memory CD4+ T cell were significantly enriched in the high expression FLI1 subtype of breast cancer cohort.