Fig. 3From: Choice of postoperative radiation for stage IIIA pathologic N2 non-small cell lung cancer: impact of metastatic lymph node numberOverall and lung cancer-specific survivals in stage IIIA-pN2 patients with the exact number of positive lymph nodes ≤3 (a and b) or >3 (c and d) undergoing No PORT or PORT. Abbreviations: PORT, Postoperative radiation. NSCLC, Non-small cell lung cancerBack to article page