Advanced distal gastric cancer lymph node metastasis with D2 lymphadenectomy application

Objective To investigate the lymph node metastasis for the extent of lymph node dissection in advanced distal gastric cancer.Methods A total of 51 advanced distal gastric cancer clinicopathological datas were collected,which underwent D2 lymphadenectomy or over,and lymph node dissection were more than 15 lymph nodes.The lymph node metastasis feature relation with radical operation were analyzed.Results The total rate of lymph node metastasis was 72.6%(37/51).Metastasis to the first leg of lymph nodes,but none to the second leg or the third leg or farther lymph nodes were 35.3%(18/51);metastasis to the first leg,the second leg lymph nodes,but none to the third leg or farther lymph nodes were 66.7%(34/51);metastasis to the third leg of lymph nodes were 3.9%(2/51);metastasis to distant place lymph nodes were 2.0%(1/51).The metastases rate(37.3%) of No.6 group lymph node was the highest in the first leg of lymph nodes.The metastases rate of No.8a+No.12a was higher than No.1+No.14v,No.1+No.11p,No.7+No.14v,No.7+No.11p,No.9+No.14v,No.9+No.11p(P0.01).The metastases rate of No.8a+No.12a was not significantly different from that of No.8a+No.14v,No.8a+No.11p(P0.05).Conclusion D2 lymphadenectomy is more reasonable for mostly advanced distal gastric cancer,some still for further study.