Objective To probe the differentiation diagnosis value for combined measuring of serum and hydrotho-rax ET,FN,CEA in benign and malignant hydrothorax.

• 目的探讨胸水及血清ET(内皮素)、FN(纤维连接蛋白)、CEA(癌胚抗原)ET,FN,CEA联合检测对良恶性胸水的鉴别诊断价值。