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近年来,随着消化内镜技术的发展,内镜下电凝电切术、内镜下黏膜切除术(endoscopic mucosal resection,EMR)、内镜下分片黏膜切除术(endoscopic piecemeal mucosal resection,EPMR)、内镜黏膜下剥离术(endoscopic submucosal dissection,ESD)、多环套扎切除术(multiband mucosectomy,MBM)、内镜黏膜下挖除术(endoscopic submucosal excavation,ESE)、内镜