CD4 and neoplasm: Besides, treatment with 12.5 mg/kg ART could decrease the percentages of MDSCs but did no change in the percentages of M-MDSCs, G-MDSCs, Treg cells, CD3+, CD4+, and CD8+ T cells in both tumor models (Figures 4(e), 4(f), and 4(h)–4(j) and S4G-H and S4J-L).