In this issue of Gastrointestinal Endoscopy Clinics of North America, we invited pioneers and experts in this field to share recent advancements and expansions of ESD and its technical aspects in different organ systems. In addition, this issue covers the associated techniques of per oral endoscopic myotomy (POEM) and natural orifice transluminal endoscopic surgery (NOTES) to further advance understanding of the latest breakthroughs in endoscopic therapy. Current trends surrounding ESD around the world-in Asia, Europe, and the United States-are addressed as well. Some articles...

This volume educates physicians on the basic knowledge of ESD, from indication of this technique to assessing suitability and technical aspects of each important step. The text is structured to guide readers to understand the principles, including history, why ESD was designed and developed, indications, as well as how to evaluate lesions and perform actual procedures. Abundant photographs and diagrams illustrate the key points and promote "pattern recognition." The text also introduces gastroenterologists to early gastrointestinal lesions, which have not been recognized in clinical...