AUTHOR=Qian Mengyi , Fang Yingying , Xiang Zhiyi , Zhang Yueming , Zhan Hujie , Chen Xiaotong , Chen Yihang , Xu Tinghui TITLE=The efficacy of neoadjuvant immunotherapy in gastric cancer, adenocarcinoma of the esophagogastric junction, and esophageal cancer: a meta-analysis JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1502611 DOI=10.3389/fonc.2024.1502611 ISSN=2234-943X