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在化疗中把抗癌药物选择性的释放到靶肿瘤似乎是提高疗效和减小严重副作用的最有希望的途径之一。含有抗癌剂的微球以动脉内化学栓塞的方式成功地用于胃、膀胱及肝脏的一期、二期癌症的治疗[1]。氟脲嘧啶白蛋白微球（FUAM）的释放可持续7d以上[2]。本文报告了FUAM对S180瘤株移
Selective release of anti-cancer drugs to targeted tumors in chemotherapy appears to be one of the most promising ways to increase efficacy and reduce serious side effects. Microspheres containing anticancer agents are successfully used in the treatment of stage I and stage II cancers of the stomach, bladder and liver by intra-arterial chemoembolization [1]. The release of fluorouracil albumin microspheres (FUAM) can last for more than 7 days [2]. This paper reports the FUAM on S180 tumor metastasis