Establishment of a survival predictive model for patients with two synchronous multiple primary lung cancers: a multicenter cohort analysis

Ying Ji, Qing Zhao, Yi Liu, Bin Qiu, Guangyu Bai, Siyuan Ai, Wei Feng, Ligong Yuan, Xin Wang, Lulu Rong, Hua Fu, Huihui Xie, Linlin Qi, Ye Tao, Longyu Jin, Jing Zhou, Bin Hu, Shugeng Gao