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对６６３例胸腔积液的临床表现，胸部ｘ线检查，胸水检查及病因进行了分析。结果显示，主要病因为结核性３２８例（４９．４７％）和癌性１９０例（２８．６６％），心、肝、肾疾病所致胸水亦不少见。４０岁以上胸水以癌性为主。本文资料提示胸腔积液是转移性恶性肿瘤病人的一个较为普遍的临床问题，肺癌是其产生的主要病因之一，肺癌胸水又以腺癌居首。癌性胸水多为血性，大量且生长迅速，纵膈多向患侧移位，多伴有肺不张或肿瘤纵膈转移，临床表现以刺激性咳嗽、胸痛、咯血为主；结核性胸水多为草黄色，中等量，多伴有浸润型肺结核，临床以发热、咳嗽、胸痛为主要表现。
663 cases of pleural effusion clinical manifestations, chest x-ray examination, pleural effusion and etiology were analyzed. The results showed that the main etiology of tuberculosis was 328 cases (49.47%) and canceration of 190 cases (28.66%), heart, liver and kidney disease caused by pleural effusion is not uncommon. More than 40 years of pleural effusion with cancer-based. The data suggest that pleural effusion is a more common clinical problem in patients with metastatic malignancies, lung cancer is one of the major causes of lung cancer, pleural effusion and adenocarcinoma tops. Cancerous pleural effusion mostly bloody, large and rapid growth, the mediastinal more displaced to the affected side, and more associated with atelectasis or tumor mediastinal metastasis, clinical manifestations of irritating cough, chest pain, hemoptysis; tuberculous pleural effusion and more Grass yellow, moderate, and more with infiltrative pulmonary tuberculosis, clinical fever, cough, chest pain as the main performance.