Endoscopic resection for premalignant and malignant lesions of the gastrointestinal tract from the esophagus to the colon.

The endoscopic mucosal resection and endoscopic submucosal dissection techniques, if performed with the right indications and with expertise, should be considered even in the West as elective treatment modalities for early gastrointestinal neoplasia. Because the experience is still limited, more should be done to strengthen the performance capacity and foster cooperation among skilled endoscopists.