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我院于1997年1月至2000年6月对4例早期胃癌患者行内镜下粘膜切除术，现报告如下。病例与方法 1.病例选择 行内镜下粘膜切除术的早期胃癌患者须符合下列要求：①选择局限于粘膜层的早期胃癌，病变范围2cm；②癌前病变的切除，如重度不典型增生，平坦型隆起的腺瘤或不适应
In our hospital from January 1997 to June 2000, 4 cases of early gastric cancer patients underwent endoscopic mucosal resection, the report is as follows. Cases and methods 1. Case selection Early gastric cancer patients undergoing endoscopic mucosal resection must meet the following requirements: 1 Select early gastric cancer confined to the mucosa, lesion size 2cm; 2 Resection of precancerous lesions, such as severe dysplasia, Flat raised adenoma or not adapted