Long-term outcomes of PD-1 inhibitors plus chemotherapy as first-line treatment for advanced HER2-negative gastric cancer: an updated systematic review and meta-analysis
IntroductionThis meta-analysis was designed to compare the long-term outcomes of first-line programmed cell death protein 1 (PD-1) inhibitors plus chemotherapy versus chemotherapy in patients with advanced HER2-negative gastric cancer (GC).Materials an…