AUTHOR=Bai Zhiqing , Chen Yu-Ann , Xiao Ying , Song Jianping , Song Jianwei , Xiang Canhong TITLE=Use of sintilimab in primary adenosquamous carcinoma of the liver results in pathological complete response: a case report and literature review JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1578368 DOI=10.3389/fimmu.2025.1578368 ISSN=1664-3224