AUTHOR=Xie Xihao , Zhang Hai , He Haiquan , Wu Bomeng , Chen Ying , Lin Wanli , Feng Qingyi , Chen Qunqing TITLE=Postoperative adjuvant immunotherapy for pathological stage II–IVa esophageal squamous cell carcinoma after radical surgery does not improve disease-free recurrence rates JOURNAL=Frontiers in Medicine VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2024.1517001 DOI=10.3389/fmed.2024.1517001 ISSN=2296-858X