Fig. 1From: Adjuvant chemotherapy versus chemoradiotherapy for small cell lung cancer with lymph node metastasis: a retrospective observational study with use of a national database in JapanKaplan–Meier curves for recurrence-free survival in postoperative SCLC patients receiving adjuvant chemotherapy or chemoradiotherapy. a Results for all N1 and N2 patients; b results for only N1 patients; and c results for only N2 patientsBack to article page