CD8A and cancer: Using the TIMER database, we found out that the relationship between BGN expression and TIICs was significantly related to B cells, CD8+ T cells, CD4+ T cells, macrophages, neutrophils, and dendritic cells in multiple cancer types, such as BLCA, BRCA, COAD, ESCA, HNSC, KICH, LGG, LIHC, LUAD, LUSC, OV, PAAD, PCPG, PRAD, READ, SKCM, and STAD (Figure 7(a)).