肺癌发病率在我国城市居恶性肿瘤首位,多数患者确诊时已属于晚期,胸腔积液是晚期肺癌常见的并发症之一,积液增多,产生压迫症状,引起胸闷、呼吸困难等症状,影响到患者的生存质量。因此,及时有效地控制胸腔积液成为肺癌晚期姑息性治疗的关键措施之一,胸腔内注入抗癌药物是治疗恶 The incidence of lung cancer ranks the first place in China’s cities. Most of the patients are already diagnosed late. Pleural effusion is one of the most common complications in advanced lung cancer. Fluid effusion increases, causing oppression symptoms, causing chest tightness and breathing difficulties, affecting The patient’s quality of life. Therefore, the timely and effective control of pleural effusion has become one of the key measures of palliative treatment of advanced lung cancer, intrathoracic injection of anticancer drugs is the treatment of evil