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The distribution pattern of metastatic lymph nodes after non‐curative endoscopic resection in early gastric cancer

Additional surgery should be done after non‐curative endoscopic resection (ER) in early gastric cancer (EGC) due to the risk of lymph node metastasis (LNM). However, the distribution pattern of LNM in these patients is complicated and unpredictable. The aim of this study is to identify any different distribution patterns of LNM in patients with EGC who underwent additional surgery after non‐curative (ER) comparing to those without ER.