Considering that OV infection typically lasts only for a few days, the ability of combination therapy to sustain the increased number of NK cells until day 12 might imply that the increase in tumor‐infiltrated CD8+ and CD4+ T‐cells corresponded to an increase in the cytokines secreted by CD8+ and CD4+ T‐cells that assists in maintaining NK cells. Here, CD8A is linked to neoplasm.