No cancer cells were found in the incisal edge of the specimen,and the total number of lymph node removed was 781.Of those lymph nodes,the percentage of the positive metastasis was 78.75%(615/781).

• 标本术后经病理学检查证实切缘均无癌细胞残留；共检出淋巴结781个；癌阳性率为78.；75%25(615/781)。