Refined Stratification Based on Baseline Concomitant Mutations and Longitudinal Circulating Tumor DNA Monitoring in Advanced EGFR-Mutant Lung Adenocarcinoma Under Gefitinib Treatment

Jianchun Duan, Jiachen Xu, Zhijie Wang, Hua Bai, Ying Cheng, Tongtong An, Hongjun Gao, K. Wang, Qing Zhou, Yanping Hu, Yong Song, Cuimin Ding, Feng Peng, Li Liang, Yi Hu, Cheng Huang, Caicun Zhou, Yuankai Shi, Jiefei Han, Di Wang, Yanhua Tian, Zhenlin Yang, Li Zhang, Shaokun Chuai, Junyi Ye, Guanshan Zhu, Junhui Zhao, Yi‐Long Wu, Jie Wang