title: [Comparative assessment of surgical methods of studying the mediastinum in lung cancer].
mesh_terms: D001707:Biopsy, Needle; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008479:Mediastinal Neoplasms / Q000175:diagnosis*; D008481:Mediastinoscopy; D008722:Methods; D009362:Neoplasm Metastasis
vernacular_title: Sravnitel'naia otsenka khirurgicheskikh metodov issledovaniia sredosteniia pri rake legkogo