Department of Surgical Oncology First Affiliated Hospital of China Medical University Shenyang 110001 Liaoning Province China;
Department of Obstetrics and Gynecology Shengjing Hospital of China Medical University Shenyang 110001 Liaoning Province China;
Gastric cancer; No. 14v lymph node; Lymphadenectomy; Prognosis; Propensity score matching;