Fig. 3

IRF-1 as a predictive marker for anti-PD-1 therapy. a IRF-1 expression by best objective radiographic response (ORR) (Mean +/- Std Dev) b) PD-L1 by ORR (Mean +/- SD). c Progression-free survival from the start of therapy stratified by IRF-1 expression level) d) Progression-free survival from the start of therapy stratified by PD-L1 expression level