title: Role of mediastinoscopy in lung cancer.
mesh_terms: D002289:Carcinoma, Non-Small-Cell Lung / Q000175:diagnosis*; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008207:Lymphatic Metastasis; D008481:Mediastinoscopy; D011379:Prognosis