Lung cancer : journal of the International Association for the Study of Lung Cancer
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the group of completely resected stage IIIA-N2 non-small cell lung cancer patients (NSCLC) is considered to be heterogeneous in various aspects including survival and the recurrent pattern. In the present study, we attempted to clarify the factors which separate these patients into high and low risk groups based on the survival and local recurrence. ⋯ the number of N2 stations (single vs. multiple N2 stations) was found to be a useful prognostic factor, which can separate completely resected stage IIIA-N2 patients into high and low risk groups regarding both the overall survival and local recurrence.