CD8+ TEM can secrete γ‐IFN or granzyme B in a very short time to kill tumor cells after exposure to pre‐inoculated neoantigens, whose proportion increased in all treatment groups, and the FSP‐RZ‐BPH had the highest proportion, reaching 49.3% (Figure 5l,m). This evidence concerns the gene CD8A and benign prostatic hyperplasia.