Upper gastrointestinal endoscopy reealed an ulcerated tumor in the gastric antrum covered a clot ( Figure A ).

胃镜示胃窦部见一溃疡形成、表面覆血枷的肿块 ( 见图 ).

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This article is being published simultaneously by Gastrointestinal Endoscopy and Infection Control and Hospital Epidemiology.

本文由胃肠内镜术与感染控制与医院流行病学期刊同时发行.

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