Since the latest revision of the TNM system reclassified T3N0 tumours into the Ⅱ B stage, N2 lesions became the major determinant of the Ⅲ A stage. Concing th
The role of surgery in stage Ⅲ A-N2 non-small cell lung cancer (NSCLC) remains controversial.Most important prognostic factors are mediastinal downstaging and