Objecti ve :To observe the efficacy and toxicity of hydroxycamptothecin(HCPT)based combi nation chemotherapy in advanced gastrointestinal tract cancer.

• 目的:观察羟基喜树碱(HCPT)联合化疗方案对晚期胃肠道癌的疗效和不良反应。方法:89例晚期胃肠道癌随机分为两组。