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目的探讨胸部CT检查对肺癌分期诊断的临床价值。方法选择88例肺癌病人行胸部CT扫描检查和胸廓切开术。结果胸部CT扫描对根脆纵隔胸壁侵犯。肺不张、胸腔积液、纵隔淋巴结增大等病征的诊断有较大价值，CT对肺癌分期诊断的正确率达70％。结论胸部CF扫描对鉴别Ⅰ／Ⅱ、Ⅲa、Ⅲb期肺癌有较大价值，是肺癌分期诊断的重要非创伤性检查。
Objective To investigate the clinical value of chest CT examination in the diagnosis of lung cancer staging. Methods Eighty-eight lung cancer patients underwent chest CT scan and thoracotomy. Results Chest CT scans were performed on the chest wall of the mediastinal septum. The diagnosis of atelectasis, pleural effusion, and mediastinal lymph node enlargement is of great value. The accuracy of CT in the diagnosis of lung cancer staging is 70%. Conclusions Chest CF scanning is of great value in the differential diagnosis of stage I/II, IIIa, and IIIb lung cancer, and it is an important non-invasive examination for staging of lung cancer.