Clinical outcomes of endoscopic submucosal dissection for colorectal tumors: a large multicenter retrospective study of Hiroshima GI Endoscopy Research Group

Although advanced high-volume centers have reported good outcomes of colorectal endoscopic submucosal dissection (ESD), a limited number of highly skilled experts in specialized institutions performed these procedures. We undertook a retrospective multicenter survey, which included non-specialized hospitals, to investigate the clinical outcomes of colorectal ESD.

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