通过原发灶切除和淋巴结清扫术对细胞病理学诊断为 N2 M0期非小细胞肺癌病人的治疗 ,分析病人的生存期。 1990～ 2 0 0 0年期间收治的 10 4 3例肺癌病人给予外科手术治疗 ,其中的 15 5例经组织学检查诊断为纵隔淋巴结转移 (N2 M0 )。行胸廓切开术的 130例中的 116例给予原发灶 The pathological diagnosis of N2 M0 non-small cell lung cancer was performed by primary resection and lymphadenectomy, and the patient’s survival was analyzed. Ten to three patients with lung cancer treated during the 1990-2000 period were treated with surgery. Of these, 155 were diagnosed as mediastinal lymph node metastasis (N2 M0) by histological examination. 116 of the 130 patients undergoing thoracotomy delivered primary tumors