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Flowchart of patients and lesions included in a study of the effect of H. pylori eradication on NBI-ME of gastric tumors exhibiting non-severe extent of atrophy. NBI-ME, narrow-band imaging with magnifying endoscopy; ESD, endoscopic submucosal dissection; ER, endoscopic resection; poor, poorly differentiated adenocarcinoma; sig, signet ring cell adenocarcinoma; UBT, urea breath test.
