Prognostic analysis of the plasma fibrinogen combined with neutrophil‐to‐lymphocyte ratio in patients with non–small cell lung cancer after radical resection oleh Gao‐Xiang Wang, Zhi‐Ning Huang, Ying‐Quan Ye, Shan‐Ming Tao, Mei‐Qing Xu, Mei Zhang, Ming‐Ran Xie