胰腺癌因为缺乏有效的早期诊断和准确的分期方法 ,其治疗效果仍难以令人满意。肿瘤的分期特别是术前分期非常重要 ,不仅可以判断病人的预后 ,而且可以事先确定哪些病人可手术切除 ,哪些病人将更适于化疗或放疗。影像学检查和内镜技术的应用和普及为胰腺癌的术前分期提供了新的? Because of the lack of effective early diagnosis of pancreatic cancer and accurate staging method, the treatment effect is still unsatisfactory. Tumor stage, especially preoperative staging is very important, not only to determine the prognosis of patients, but also to determine in advance which patients can be surgically removed, which patients will be more suitable for chemotherapy or radiotherapy. Radiographic examination and endoscopic technology and application of universal preoperative pancreatic cancer provides a new preoperative staging?