PD-L1 expression in primary lung tumor as a superior predictive biomarker to metastatic lymph nodes for first-line immunochemotherapy in advanced KRAS-mutant non-small cell lung cancer - Jin, Hongping; Zhang, Yidan; Huang, Honglei; Xu, Jianlin; Xu, Yingqi; Wu, Yiqing; Liu, Tengfei; Zhong, Hua; Chen, Jie; Miao, Qian; Zhong, Runbo (Translational Lung Cancer Research; Vol 14, No 11 (November 30, 2025): Translational Lung Cancer Research, 2025)