AUTHOR=Wei Yahong , Han Shaohui , Shi Yabin , Li Yaxing , Zhang Qi , Zhang Lijuan , Cheng Yan , Yan Xiaolu , Jia Yitao TITLE=Complete response of advanced esophageal squamous cell carcinoma with first-line chemotherapy combined with immunotherapy: a Case report JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1511663 DOI=10.3389/fimmu.2025.1511663 ISSN=1664-3224