Fig. 5From: Surgery for stage IIB–IIIB small cell lung cancerKaplan–Meier curves of OS for stage T3–4N0M0/T1–4N1–2M0 SCLC comparing lobectomy plus chemoradiotherapy with chemoradiotherapy before PSM (A) and after PSM (B). OS, overall survival; SCLC, small cell lung cancer, PSM, propensity score matchingBack to article page