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在７４例肺癌术中进行了肺门和纵隔淋巴结的分区清除术，共清除淋巴结７８１区８７８个，经病理证实有癌转移者９５区１７８个，６３．５％的病人有胸内淋巴结转移。提示肺癌胸内淋巴结的转移频度高。因此，在肺癌术中应尽量干净地清除肺门和纵隔各区可能有转移的淋巴结，以提高手术的远期效果
In 74 patients with lung cancer, zonal debridement of hilar and mediastinal lymph nodes was performed. A total of 878 lymph nodes were removed in 781 areas. 178 areas were identified in pathologically confirmed metastases in 95 areas. 63.5% of patients had intrathoracic lymph node metastases. It suggests that lung cancer has a high frequency of transfer of intrathoracic lymph nodes. Therefore, in the operation of lung cancer, lymph nodes that may have metastases in hilar and mediastinal areas should be cleaned as far as possible to improve the long-term effect of surgery.