Fig. 2

Clinicopathological features correlating with overall (OS) or disease-free survival (DFS) following surgery in SCLC patients. Men (A), patients with COPD (B), and those not receiving any type of adjuvant therapy (C) tended to have significantly worse OS. Patients with advanced lymph node stage (D) and those receiving sublobar resection (defined as wedge resection or segmentectomy (E), showed a statistically non-significant but clear tendency toward shorter DFS