尽管手术技术、化疗及放疗方面有了很大进展，但胰腺癌仍是预后最差的胃肠道恶性肿瘤，5年生存率仅3％。手术对于局限的部分选择病例有可能治愈，对于病变局限而不能切除的患者，放疗可明显延长生存期。8％～30％的胰腺癌者通过腹膜冲洗可发现恶性细胞，而且大多数患者伴有肉眼 Despite advances in surgical techniques, chemotherapy, and radiotherapy, pancreatic cancer is still the worst gastrointestinal cancer, with a 5-year survival rate of only 3%. Surgical treatment may be possible for selected partial cases. For patients with limited lesions that cannot be removed, radiotherapy can significantly prolong survival. 8% to 30% of pancreatic cancers can find malignant cells by peritoneal washing, and most patients have naked eyes