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目的探讨进展期胃癌淋巴结清扫范围的合理性。方法对６７例进展期胃癌患者施行了包括第１６组淋巴结清扫在内的扩大根治术。结果Ｎ１淋巴结转移发生率为９２．５％，Ｎ２为６２．７％，Ｎ３为３１．３％，第１６组也达到２３．９％。结论作者复习有关文献，分析此组资料认为对进展期胃癌肿瘤侵犯浆膜层、肿瘤范围较大、Ｂｏｒ－ｒｍａｎｎⅡ、Ⅲ型、组织分化不良以及Ｎ１、Ｎ２淋巴结转移较多的患者应选择施行包括第１６组淋巴结清扫在内的扩大根治术，第１６组淋巴结清扫１６ａ１、１６ａ２和１６ｂ１淋巴结。
Objective To explore the rationality of lymph node dissection in advanced gastric cancer. Methods Sixty-seven patients with advanced gastric cancer underwent extensive radical mastectomy including group 16 lymph node dissection. Results The incidence of N1 lymph node metastasis was 92.5%, N2 was 62.7%, N3 was 31.3%, and the 16th group also reached 23.9%. Conclusion The author reviewed the literature and analyzed this group of data that patients with aggressive gastric cancer tumors that invade the serosal layer, have a large tumor size, have poor Borrmann II, type III, poor tissue differentiation, and have more N1, N2 lymph node metastases should be selected for inclusion. Expanded radical surgery was performed in the 16th group of lymph node dissection. Lymph nodes in group 16 were dissected 16a1, 16a2, and 16b1 lymph nodes.