101024.fig.002
Figure 2: Survival curves of patients with stage II SCLC according to surgical procedures. The 5-year survival rate of patients with stage II SCLC was 16.7% in lobectomy group, 31.6% in the pneumonectomy group. For patients with stage II SCLC, the overall survival rate after pneumonectomy was significantly better than after lobectomy ( 𝑃 = 0 . 0 2 8 ).