Figure 2From: Prognostic potential of ERCC1 protein expression and clinicopathologic factors in stage III/N2 non-small cell lung cancer Overall survival curves after surgery in p-N 2 patients according to the numbers of involved lymph nodes. The 5-year survival rates of patients with ≤5 positive lymph nodes and >5 positive lymph nodes were 40.2% and 20.0%, respectively.Back to article page