AUTHOR=Lu Genlin , Tu Jiarui , Tu Jinming , Jiang Renya TITLE=Case report: Chemotherapy plus sintilimab for the treatment of gastroesophageal junction hepatoid adenocarcinoma with liver metastasis: a case study with literature review JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1513604 DOI=10.3389/fimmu.2025.1513604 ISSN=1664-3224