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目的 研究胃上部癌腹腔淋巴结转移规律及其在外科治疗中的意义。方法 回顾性调查施行根治手术并具有完整临床病理资料的胃上部癌病例 ,分析各组、站淋巴结转移的频度及其与胃癌浸润深度的关系 ,并比较不同淋巴结分级的术后 5年生存率。结果 pT2 淋巴结转移阳性病例占 81% ,其中N1为 4 4 %、N2 为 37% ;pT3淋巴结转移占 83% ,N1为 30 %、N2 为 4 0 %、N3 为 13% ;而pT4则 10 0 %发生淋巴结转移。幽门上、下组 (N3 )转移率达 9%。不同转移淋巴结分级间术后 5年生存率差异有显著性。结论 进展期胃上部癌应行D2 以上的淋巴结清除术 ,方能达到根治的目的
Objective To study the rule of peritoneal lymph node metastasis in gastric upper neoplasm and its significance in surgical treatment. Methods The cases of upper gastric cancer with radical operation and complete clinicopathological data were retrospectively studied. The frequency of lymph node metastasis and the relationship with lymph node metastasis in each group were analyzed. The 5-year survival rates of different lymph node grading . Results The positive rate of pT2 lymph node metastasis was 81%, of which N1 was 44% and N2 was 37%, pT3 lymph node metastasis was 83%, N1 was 30%, N2 was 40%, N3 was 13%, while pT4 was 10% % Of lymph node metastases. Pyloric, lower group (N3) transfer rate of 9%. The difference of 5-year survival rate between different metastatic lymph node grades was significant. Conclusion advanced gastric cancer should be more than D2 lymph node dissection, in order to achieve the purpose of radical