CD4 and cancer: By using the TIMER2.0 tool, we found that the expression of SGO1 is significantly associated with the abundance of infiltrating immune cells in most cancers: 21 types of B cells, 19 types of CD8+ T cells, 16 types of CD4+ T cells, 16 types of macrophages, 19 types of neutrophils, and 18 types of dendritic cells (Figure 5A).