恶性胸腔积液有原发性和转移性两种,常由胸膜转移和移植癌导致渗出液增加所致。病人一旦出现胸腔积液,往往失去手术和放疗的机会。近年来国内外对生物反应调节剂(BRM),作为温和性硬化刺激物进行胸 Malignant pleural effusions are both primary and metastatic and often result from increased effusions resulting from pleural metastases and transplanted cancers. Once the patient develops pleural effusion, he or she often loses the opportunity for surgery and radiotherapy. In recent years, BRM has been used as a mild hardening stimulator at home and abroad.