临床上肺癌的纵隔淋巴结转移经常遇见，因其治疗和预后均有别于其他各期肺癌，故应受到临床医师的重视。一、纵隔淋巴结的转移概况纵隔淋巴结包括下列9组：1组；最上纵而淋巴结，2组：气管分淋巴结，3组：气管前后淋巴结（其中3a组为气管前淋巴结；3P组为气管后淋巴结）。以上 The mediastinal lymph node metastasis of lung cancer is often met. Because the treatment and prognosis are different from those of other lung cancers, clinicians should pay attention to it. First, the mediastinal lymph node metastasis profile Mediastinal lymph nodes include the following 9 groups: 1 group; the upper longitudinal lymph nodes, 2 groups: tracheal lymph nodes, 3 groups: tracheal lymph nodes (3a group before the tracheal lymph nodes; 3P group post tracheal lymph nodes ). the above