As expected, Lm-LLO-E7 and Lm-LLO-E7/anti-PD-1 Ab showed a significant increase in tumor-infiltrated CD8 T cells compared to control groups (P < 0.05 for Lm-LLO-E7 alone and P < 0.001 for Lm-LLO-E7/anti-PD-1 Ab) (Figure 3B). Here, CD8A is linked to neoplasm.