Case Report: Exploring delayed hyperprogressive disease: a case study of post-immunotherapy in lung cancer - Zhou, Jie; Cao, Kexin; Wei, Jin-Xia; Wang, Biao; Li, Meng-Jie; Zhu, Jian; Ai, Guo-Ping; Liu, Qiu-Lian (Frontiers in Immunology, 2025)