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胰头部腺癌切除术后局部复发率很高，因此有人提出根治手术应扩大到第二级淋巴结和胰周组织，才能有较好的5年生存率。为验证扩大根治手术的胚胎学基础，作者选取5周～9个月的10个人胚胎和8个人胎儿进行研究，观察胚胎时期胃系膜区域的胰腺演变，以了解胰腺及其周围淋巴、神经
The local recurrence rate after pancreatic head adenocarcinoma resection is very high, so it was proposed that radical surgery should be expanded to the second-stage lymph nodes and pancreatic tissue in order to have a good 5-year survival rate. In order to verify the embryological basis for radical surgery, the author selected 10 human embryos and 8 human fetuses from 5 weeks to 9 months to study the evolution of pancreas in the mesenteric region of the embryonic stage to understand the pancreas and its surrounding lymph and nerves.