对行根治性切除的２７８例病历的临床病理资料分析，有淋巴结转移者１０９例，转移率为３９％，共查出淋巴结１６８０个，阳性２８０个，阳性率１６．７％，所有病例按有无淋巴结转移分组，分别分析肿瘤长度、侵润深度及分化程度与淋巴结转移的关系，结果显示肿瘤长度与淋巴结转移无相关关系，而侵润越深、分化程度越低则淋巴结转移发生率就越高 The clinical and pathological data of 278 cases of radical resection were analyzed. There were 109 cases with lymph node metastasis. The metastasis rate was 39%. A total of 1680 lymph nodes were detected, 280 were positive, and the positive rate was 16.7%. Without lymph node metastasis, the relationship between tumor length, depth of invasion and differentiation and lymph node metastasis was analyzed. The results showed no correlation between tumor length and lymph node metastasis. The deeper the invasion, the lower the degree of differentiation, the higher the incidence of lymph node metastasis. high