High-density collagen patch prevents stricture after endoscopic circumferential submucosal dissection of the esophagus: a porcine model
Keywords: αSMA; α-smooth muscle actin; CVP; collagen vitrigel patch; CTGF; connective tissue growth factor; ESD; endoscopic submucosal dissection; HE; hematoxylin-eosin; MD; mucosal dissected tissue diameter; ND; non-epithelized tissue diameter; PSR; picrosirius