The greatest concern during endoscopic submucosal dissection (ESD) for colorectal neoplasms (CRN) is the possibility of en bloc resection failure or perforation. Accurate risk prediction could enable improved therapeutic decisions. We previously reported preoperative indicators of en bloc resection failure or perforation in colorectal ESD. Here we used this information to develop and validate a risk prediction model for en bloc resection failure or perforation.
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© 2017 Published by Elsevier Inc.