CD4 and neoplasm: CD47 expression was positively correlated with CD8+ T cell infiltration (r=0.102, p=2.48e-02), CD4+ T cell (r=0.107, p=1.90e-02), Neutrophil (r=0.246, p=4.50e-08) and dendritic cell (r=0.162, p=3.71e-04), negatively correlated with tumor purity (r=-0.17, p=1.73e-04).