In BLCA, MALAT1 RNA level correlated with CD8 + T cell, CD4 + T cell, DC cell, Tregs cell, Mast cell, cancer-associated fibroblast, common lymphoid progenitor, eosinophil, MDSC, T cell NK, and T cell follicular helper cell infiltration (Supplementary figure 3). This evidence concerns the gene CD8A and cancer.