胰腺癌发病逐年增多.其特点为病程短,进展快,死亡率高,中位生存期6 mo.临床诊断多属中晚期,只能行姑息性减黄手术.术后化疗是延长生存期的有效手段,很多患者因营养不良,常无法实施或完成化疗.我们对有病理学诊断和术中临床分期的38例姑息减黄术后的进展期胰腺癌患者进行随机分组,监测营养及免疫指标,生活质量评估,研究肠外营养对患者化疗效果的影响. The incidence of pancreatic cancer increased year by year, characterized by short course, rapid progress, high mortality, the median survival 6 mo clinical diagnosis mostly in the late stage, only palliative reduction of yellow surgery postoperative chemotherapy is to extend the survival Effective means, many patients often malnourished, often unable to implement or complete chemotherapy.We have pathological diagnosis and clinical staging 38 cases of patients with advanced pancreatic cancer after palliative surgery were randomized to monitor nutritional and immune indicators , Quality of life assessment, study of parenteral nutrition on the effect of chemotherapy in patients.