AUTHOR=Zhou Jie , Cao Kexin , Wei Jin-Xia , Wang Biao , Li Meng-Jie , Zhu Jian , Ai Guo-Ping , Liu Qiu-Lian TITLE=Case Report: Exploring delayed hyperprogressive disease: a case study of post-immunotherapy in lung cancer JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1552547 DOI=10.3389/fimmu.2025.1552547 ISSN=1664-3224