纵隔镜检查在肺癌N分期诊断的价值,学术界向来存在诸多混乱,甚至有观点认为可由其他检查取而代之。但作者认为,纵隔镜检查在肺癌N分期中非但不能被替代,而且需要进一步加强。第8版肺癌新分期建议是在全球性、多中心、前瞻性大数据基础上的分析结果。对N分期的建议:包括N0,单站N1,多站N1,N1(-)并单站N2,N1(+)并单站N2,多站N2及N3共7组。然而,最终未被采纳。我们认为原因如 Mediastinoscopy in the staging of lung cancer N value, the academic world has always been a lot of confusion, and even some view that other tests can be replaced. However, the authors believe that mediastinoscopy in the N staging of lung cancer not only can not be replaced, and need to be further strengthened. The 8th edition of the new staging of lung cancer is based on the analysis of global, multicentre, forward-looking big data. Proposals for N staging include N0, single station N1, multiple stations N1, N1 (-) and single stations N2, N1 (+) and single station N2, multiple stations N2 and N3. However, it was eventually not adopted. We think the reason is