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本文报告５０例癌性胸腔积液的临床特点，本病多见于４０岁以上的人群，有进行性加重的胸痛和呼吸困难，多为大量血性胸水，增长速度快，而无明显毒性症状，多来自肺癌，腺癌占第１位。本组资料显示胸水中乳酸脱氢酶、癌胚抗原的含量对癌性胸水和结核性胸术鉴别是有帮助的，如癌胚抗原、乳酸脱氢酶和铁蛋白三项指标综合判定意义更大，而单一铁蛋白测定对两者鉴别意义不大。
This article reports the clinical features of 50 cases of cancerous pleural effusions. This disease is more common in people over the age of 40, with progressively worsening chest pain and dyspnea, mostly massive hemorrhagic pleural effusion, with rapid growth, without obvious symptoms of toxicity. From lung cancer, adenocarcinoma takes first place. This group of data showed that the lactate dehydrogenase and carcinoembryonic antigen content in the pleural effusion is helpful in the identification of cancerous pleural effusion and tuberculous thoracic surgery, such as the comprehensive determination of the three indicators of carcinoembryonic antigen, lactate dehydrogenase, and ferritin. Large, but a single ferritin determination is of little significance for the identification of the two.