CD4 and neoplasm: Interestingly, treatment with 25 mg/kg ART could decrease the percentages of MDSCs, M-MDSCs, G-MDSCs, and Treg cells but did not affect the percentages of 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).