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目的：寻找提高晚期消化道肿瘤的临床疗效之方法。方法：采用高位腹腔内注药观察23例晚期消化道肿瘤病人治疗前后临床症状及肿瘤大小的变化，并对化疗药物引起的毒副作用进行了处理。结果：腹腔内给药可以明显改善晚期消化道肿瘤的临床症状，使瘤体缩小，减少癌肿对人体的危害程度，腹腔内化疗可明显增加药物的有效浓度，减轻其毒副作用。结论：腹腔内化疗是一种行之有效、副作用低的治疗方法，值得临床推广。
Objective: To find ways to improve the clinical efficacy of advanced gastrointestinal cancers. Methods: High-level intraperitoneal injections were used to observe the changes of clinical symptoms and tumor size in 23 patients with advanced digestive tract tumors before and after treatment, and to treat the toxic side effects caused by chemotherapy drugs. RESULTS: Intraperitoneal administration can significantly improve the clinical symptoms of advanced gastrointestinal cancers, reduce the size of the tumors, and reduce the degree of harm to cancer. The intraperitoneal chemotherapy can significantly increase the effective concentration of drugs and reduce their side effects. Conclusion: Intraperitoneal chemotherapy is an effective treatment with low side effects and is worthy of clinical promotion.