1521 Identification of microenvironment features associated with primary resistance to anti-PD-1/PD-L1 + antiangiogenesis in gastric cancer: a joint analysis of the REGOMUNE and REGONIVO studies
1521 Identification of microenvironment features associated with primary resistance to anti-PD-1/PD-L1 + antiangiogenesis in gastric cancer: a joint analysis of the REGOMUNE and REGONIVO studies