Synchronous and Metachronous Multiple Gastric Epithelial Neoplasms Detected During Index Evaluation and Post‐Endoscopic Submucosal Dissection Surveillance: A Descriptive Comparison
ABSTRACT Objectives We compared synchronous and metachronous gastric tumors detected during index evaluation and surveillance after endoscopic submucosal dissection (ESD), focusing on Kimura‐Takemoto O‐3 atrophy. Helicobacter pylori eradication history and the neutrophil‐to‐lymphocyte ratio (NLR) were exploratory. Meth...