Minimally invasive endoscopic resection procedures continue to evolve, with submucosal tunneling endoscopic resection (STER) being a durable option for en bloc resection of submucosal tumors. Whether STER can be effectively used for larger (>3.5 cm) lesions remains to be seen. STER-ET is a novel approach for removal of extraluminal tumors, but data are currently limited to support its use.
Keywords: Extraluminal tumors; Muscularis propria; Subepithelial lesions; Submucosal lesions; Submucosal tumors; Submucosal tunnel endoscopic resection; Video-assisted thoracoscopic enucleation; Video-assisted thoracoscopic surgery.
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