The results indicate that HIF-1_H exhibited the highest expression of PD-L1, PD1, and PD-L2, while HIF-1_L had the lowest expression of PD-L1, PD1, and PD-L2 (Kruskal–Wallis test, P < 0.05) (Figures 4A,B). This suggests that PCa subtype HIF-1_H may have a better response to anti-PD-L1 immunotherapy...