AUTHOR=Xu Qian , Yi Dan , Jia Caiyan TITLE=Immunotherapy plus chemotherapy versus chemotherapy alone in the first-line treatment for advanced gastric cancer/gastroesophageal junction cancer: a real-world retrospective study JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1463017 DOI=10.3389/fimmu.2024.1463017 ISSN=1664-3224