AUTHOR=Pu Wenji , Li Shasha , Zhang Jinliang , Huang Jijie , Li Jishi , Jiang Yong , Xu Zhiyuan , Yi Fan , Lan Yuling , Xiao Qin , Chen Wenqi , Jin Jing TITLE=The efficacy and safety of PD-1/PD-L1 inhibitors in combination with chemotherapy as a first-line treatment for unresectable, locally advanced, HER2-negative gastric or gastroesophageal junction cancer: a meta-analysis of randomized controlled trials JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1566939 DOI=10.3389/fimmu.2025.1566939 ISSN=1664-3224