求翻译：[摘要]目的：观察鸦胆子油乳剂胸腔内注入治疗恶性胸腔积液的疗效及不良反应。方法：经病理或细胞学明确诊断为恶性肿瘤合并恶性胸腔积液患者74例，随机分为治疗组(38例)，对照组(36例)。行胸腔置入中心静脉导管闭式引流术引流胸腔积液后，治疗组胸腔内注入鸦胆子油乳100 mL/次；对照组胸腔内注入博来霉素 45mg/次。比较2组疗效及不良反应。结果：治疗组总有效率高于对照组(P是什么意思？

[Summary] objective: observation of intrapleural injection of Fructus bruceae oil emulsion in the treatment of malignant pleural effusion efficacy and adverse reactions. Methods: pathology or cytological diagnosis for 74 patients with malignant tumor complicated with malignant pleural effusion, randomly divided into treatment group (38), the control group (36). Line placed central venous catheter pleural effusion after closed drainage of pleural effusion drainage, intrapleural injection of Fructus bruceae oil emulsion treatment group 100 mL/; control group intrapleural injection of bleomycin 45mg/times. 2 groups of efficacy and adverse reactions. Results: total effective rate is higher than the control group treatment group (P<0.05); treatment of adverse reactions than control groups (P<0.05). Conclusion: Fructus bruceae oil emulsion effect of intrapleural injection in treatment of malignant pleural effusion satisfaction, adverse light.