Survival benefit of extended D2 lymphadenectomy in gastric cancer with involvement of second level lymph nodes: A longitudinal multicenter study

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Abstract
The survival benefit of extended lymphadenectomy in the surgical treatment of gastric cancer is still being debated. The aim of this longitudinal multicenter study was to evaluate long-term survival in a group of patients with involvement of second level lymph nodes, which would not have been removed in the case of a limited lymphadenectomy. Results were compared with those in patients with involvement of first level lymph nodes.