title: [Significance of extensive N-factor excision in the surgical management of lung neoplasms].
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000601:surgery; D006801:Humans; D008175:Lung Neoplasms / Q000601:surgery*; D008197:Lymph Node Excision / Q000379:methods*; D008207:Lymphatic Metastasis; D008479:Mediastinal Neoplasms / Q000601:surgery*