EUS and EMR/ESD: is EUS in patients with Barrett's esophagus with high-grade dysplasia or intramucosal adenocarcinoma necessary prior to endoscopic mucosal resection?
EUS and EMR/ESD: is EUS in patients with Barrett's esophagus with high-grade dysplasia or intramucosal adenocarcinoma necessary prior to endoscopic mucosal resection?(English)