Insulin‐Like Growth Factor 1 Receptor Expression for Predicting PD‑1/PD‑L1 Inhibitor Response in Hypopharyngeal Squamous Cell Carcinoma - Li, Wen‐Jing; Xu, Xiao‐Lin; Xu, Li‐Cheng; Wang, Shun‐Peng; Dong, Yao‐Yao; Wang, Yi; Ren, Xiao‐Li; Ye, Lei; Liu, Peng‐Yan; Liu, Ming; Tian, Lin‐Li (World journal of otorhinolaryngology - head and neck surgery, 2025)