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Lung Cancer, 2005
1. Free resection margins (macro and microscopic) at the bronchial,
peribronchial tissue, vascular (venous and arterial, and any peripheral or
adjacent organ resected tissue
2. Systematic or lobe-specific nodal dissection including at least 6 node
stations (3 hilar and 3 mediastinal including No. 7)
3. No extracapsular node involvement
4. The highest mediastinal node must be negative