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Impact of preoperative biopsy sampling on severe submucosal fibrosis on endoscopic submucosal dissection for colorectal laterally spreading tumors: a propensity score analysis

Colorectal SurgeryMedicineGastroenterologyColorectal CancerPathologySevere Submucosal FibrosisSurgeryPreoperative BiopsyInterventional EndoscopyOncologyEndoscopic Submucosal Dissection