Patients would be evaluated whether meet the criteria as clinical stage T1 non-small Cell Lung Cancer. Then, he/she would receive lobectomy. Finally, the detailed anatomical location of group 11-13 would be recorded immediately after surgery and their metastasis pattern would be explored in the follow-up period.
Anatomical Location and Metastasis Pattern of Intrapulmonary Lymph Nodes (Group 11-13) in Non-small Cell Lung Cancer: a Multi-center, Prospective observational Clinical Trial