Fig. 1From: Resistance to PD-1/PD-L1 blockade cancer immunotherapy: mechanisms, predictive factors, and future perspectivesOverview on the strategies to improve the resistance to PD-1/PD-L1 blockade therapy. Multiple strategies have been proposed to improve the resistance to PD-1/PD-L1 blockade therapy, including combined therapy, nano-immunotherapy, gut microbiome manipulation, and so forthBack to article page