CD8A and neoplasm: Overall, compared to the pre‐NAT tumors, the percentages of PD1+ cells in the whole tumor, stromal, and intratumoral areas significantly decreased post‐NAT (P = 0.004, P = 0.037, and P < 0.001, respectively), yet overall the percentages of CD8+ T cells increased (P = 0.038, P = 0.019, and P = 0.832, respectively) (Fig 3a).