It is uncertain whether additional endoscopic treatment may be chosen over surgery in patients with positive lateral margins (pLMs) as the only non-curative factor after endoscopic submucosal dissection (ESD) for early gastric cancer (EGC). We aimed to compare the long-term outcomes of additional endoscopic treatments in such patients with those of surgery and elucidate the clinicopathological factors that could influence the treatment selection.

中文翻译：

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早期胃癌内镜黏膜下剥离术后侧切缘阳性患者额外内镜治疗的长期结果。

对于早期胃癌 (EGC) 内镜黏膜下剥离术 (ESD) 后侧切缘阳性 (pLMs) 作为唯一非治愈性因素的患者，是否可以选择额外的内镜治疗而不是手术尚不确定。我们旨在比较此类患者额外内镜治疗与手术治疗的长期结果，并阐明可能影响治疗选择的临床病理因素。