肺癌是最常见的恶性肿瘤之一 ,它严重地威胁着人类的健康。胸水是肺癌病人较早出现的一个症状 ,而在其它肺部疾病如肺炎、肺结核等疾病中也常常合并有胸水的发生 ,我们联合检测了合并有胸水的肺部疾患病人胸水和血清中的CYFRA2 1- 1、CEA、NSE ,以此来探讨这三项指标在不同的标 Lung cancer is one of the most common malignancies and it is a serious threat to human health. Pleural effusion is an early symptom of lung cancer patients, and in other lung diseases such as pneumonia, tuberculosis and other diseases are often associated with pleural effusion, we jointly detect pleural effusion with pleural effusion in patients with pleural effusion and serum CYFRA2 1- 1, CEA, NSE, in order to explore these three indicators in different targets