Guidelines for Endoscopic Submucosal Dissection and Endoscopic Mucosal Resection for Early Gastric Cancer

This is a clinical practice guideline for endoscopic submucosal dissection (ESD) and endoscopic mucosal resection (EMR) for early gastric cancer. The guideline provides recommendations for preoperative diagnosis, evaluation of curability, management of complications, long-term postoperative surveillance, and histological assessment. The management of perforation is also specifically discussed.