Short-term dynamics of circulating tumor DNA predicting efficacy of sintilimab plus docetaxel in second-line treatment of advanced NSCLC: biomarker analysis from a single-arm, phase 2 trial ============================================================================================================================================================================================= * Xiao Han * Xiaoyong Tang * Hui Zhu * Dongyuan Zhu * Xiqin Zhang * Xiangjiao Meng * Ying Hua * Zhongtang Wang * Yan Zhang * Wei Huang * Linlin Wang * Shuanghu Yuan * Pinliang Zhang * Heyi Gong * Yulan Sun * Yingjie Zhang * Zengjun Liu * Xiaomeng Dong * Fei Gai * Zhan Huang * Changbin Zhu * Jun Guo * Zhehai Wang