CD4 and neoplasm: Moreover, the “GP@Gel Nap‐T” group exhibited enhanced cytotoxic and inflammatory immune response, which were evidenced by the highest percentages of GZB+ and IFN‐γ+ CD4+, CD8+, and NK1.1+ cells, as well as highest levels of TNF‐α and IFN‐γ, while the lowest level of the immunosuppressive cytokine IL‐10 in tumor tissues.