Conversion from conventional esophageal endoscopic submucosal dissection to the gel immersion method

During conventional endoscopic submucosal dissection (ESD), increased intragastric pressure due to insufflation sometimes causes discomfort and pain to the patient. However, gel immersion endoscopy (GIE), which has been developed to improve intraoperative visualization and identify the bleeding point easily [1] [2] [3] [4], may reduce patient discomfort because it can be performed under low pressure [5]. Here, we report a case of ESD of...