Effect of the number of induction chemotherapy cycles on the efficacy of first-line atezolizumab combined with chemotherapy in extensive-stage small cell lung cancer

Mengxing You, Jiayu Liu, Fei Teng, Lige Wu, Haifeng Qin, Yan Zhang, Cuiying Zhang, Ziling Liu, Kewei Ma, Esteban C. Gabazza, Jacopo Vannucci, Xuezhi Hao, Junling Li, Puyuan Xing