Similar results were also obtained by immunohistochemical analysis, as HY-oAd+9-ING-41 induced the highest level of CD4+ and CD8+ T-cell recruitment in the tumor (Figure 6C; *p < 0.05 or ***p < 0.001 versus HY-oAd or 9-ING-41 monotherapy). Here, CD8A is linked to neoplasm.