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近年来肺癌的诊断技术已有了许多进展,但早期诊断率仍很低,多数病例确诊时已丧失手术时机。文献报道经手术切除者的术后五年生存率仅25～30％。影响肺癌手术疗效和预后因素较多,例如肿瘤的大小、病理类型、肿瘤的部位,但最重要的是有无转移,特别是判断较困难的纵隔淋巴结,Mountain统计无淋巴结转移者术后五年存活率为46％,支气管旁或肺门淋巴结有转移者五年存活率为33％,纵隔淋巴结有转移者五年存活率仅8％。因
In recent years, many advances have been made in the diagnosis of lung cancer, but the early diagnosis rate is still very low. Most cases have lost the chance of operation when diagnosed. Reported by the literature after resection of the five-year survival rate of only 25 to 30%. Effect of lung cancer surgery and prognosis of many factors, such as tumor size, pathological type, tumor site, but the most important is the transfer, especially to determine the more difficult mediastinal lymph nodes, Mountain statistics without lymph node metastasis after five years Survival rate was 46%, bronchial or hilar lymph node metastasis of five-year survival rate was 33%, mediastinal lymph node metastasis five-year survival rate of only 8%. because