癌性胸水的控制与否,对于肿瘤愈后影响较大,我们应用IL-2胸腔内注入治疗癌性购水,前瞻性的进行了临床观察.结果表明:IL-2胸腔内注入治疗癌性胸水56例,胸水的控制率在80.3%,与田口等报道的结果基本相同.其机理可能为IL-2直接诱导活化NK以及LAK细胞、TIL细胞,它们直接杀伤胸膜表面的肿瘤细胞,并促使胸膜纤维化、胸膜粘连, The control of cancerous pleural effusion has a great impact on the recovery of tumors. We used IL-2 intrapleural injection to treat cancerous water purchases. Prospective clinical observations were performed. The results showed that IL-2 intrathoracic injection was used to treat cancer. The control rate of pleural effusion in 56 cases and pleural effusion was 80.3%, which was basically the same as that reported by Taguchi. The mechanism may be that IL-2 directly induces activation of NK and LAK cells and TIL cells. They directly kill tumor cells on the pleural surface, and promote Pleural fibrosis, pleural adhesions,