[Problems and evaluation of radical excision of the mediastinal lymph node in surgery of lung cancer].
D000368:Aged; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000601:surgery*; D008197:Lymph Node Excision; D008297:Male; D008482:Mediastinum / Q000601:surgery*; D008875:Middle Aged; D011013:Pneumonectomy