PD-L1: Biological mechanism, function, and immunotherapy in gastric cancer
Gastric cancer (GC) is one of the main causes of cancer incidence rate and mortality worldwide.As the main breakthrough direction, the application of immune checkpoint inhibitors makes patients with GC have better prognosis, where PD-L1/PD-1 inhibitors in immunotherapy have good anti-tumor immune efficacy.Further understanding of the regulatory mec