CD4 and neoplasm: Differential correlation analysis showed that tumor immune infiltrators were correlated with RPL4P4 in 11, of which M0 macrophages (0.4), M2 macrophages (0.23), neutrophils (0.22), CD8+ T cells (0.15), and gamma T cells were positively correlated and DC cells, eosinophils, mast cells, eosinophils, NK cells, and CD4+ T cells were negatively correlated.