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在所有转移性肿瘤中,肺癌的转移占有重要位置。肺癌一旦发生远道转移(在肺癌的TNM 分期中称M_1),即属Ⅳ期肺癌,共治疗和预后也大为不同。肺癌的远道转移是临床医师经常遇见的实际问题,现就肺癌的转移部位、诊断和治疗原则简述如下。一、肺癌转移概况肺癌是容易发生转移的肿瘤。据报道已有临床表现的肺癌病人约有一半已发生转移。半沢氏等报告,有自觉症状的肺癌患者65.4%(159/243)属晚期肺癌(Ⅲ、Ⅳ期),即使在普查
In all metastatic tumors, the metastasis of lung cancer occupies an important position. Once distant metastases occur in lung cancer (called M_1 in the TNM staging of lung cancer), it is a stage IV lung cancer and the treatment and prognosis are very different. The distant metastasis of lung cancer is a practical problem often encountered by clinicians. The principles of metastasis, diagnosis and treatment of lung cancer are briefly described below. I. Overview of lung cancer metastasis Lung cancer is a tumor that is prone to metastasis. It has been reported that about half of patients with clinical manifestations of lung cancer have metastasized. Semi-Rugao et al. reported that 65.4% (159/243) of lung cancer patients with subjective symptoms were advanced lung cancer (stages III and IV), even in the census.