“…Total 3012 patients with gastric cancer who received radical resection of primary gastric cancer for the first time, underwent no presurgical and postsurgical chemotherapy/radiotherapy, and were consecutively recruited from January 2000 to December 2010, with the latest follow‐up ended on December 31, 2015, were eligible for inclusion, as previously described. 11 , 13 , 14 , 15 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 The reason for us to exclude patients with presurgical and postsurgical chemotherapy/radiotherapy is due to its significant impact on survival outcomes.…”