Fig. 6From: Surgery for stage IIB–IIIB small cell lung cancerKaplan–Meier curves of OS for surgery vs. no surgery for SCLC patients with stage IIB disease before PSM (A) and after PSM (B), IIIA disease before PSM (C) and after PSM (D), and IIIB disease before PSM (E) and after PSM (F). OS, overall survival; SCLC, small cell lung cancer, PSM, propensity score matchingBack to article page