[Evaluation of surgical procedures of patients over 70 years of age with stage Ia lung cancer].
D000367:Age Factors; D000368:Aged; D006801:Humans; D008175:Lung Neoplasms / Q000601:surgery*; D008197:Lymph Node Excision; D011013:Pneumonectomy / Q000379:methods*; D011379:Prognosis