Significance of positive superior mediastinal nodes identified at mediastinoscopy in patients with resectable cancer of the lung.
D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000401:mortality / Q000601:surgery*; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000601:surgery*; D008207:Lymphatic Metastasis; D008481:Mediastinoscopy; D008482:Mediastinum; D011379:Prognosis