Methods:56 patients with malignant pleural effusion were treated with serratia marcescens vaccine, another 32 cases were treated with DDP and 5 FU as control.

• 方法:56例恶性胸水患者为菌苗组,胸水引流后,注入粘质沙雷氏菌苗。另取病情相当的32例恶性胸水患者,作为对照组,注入5氟尿嘧啶及顺铂。