Fig. 3From: Near infrared ray-guided surgery using Firefly technology of the daVinci Xi system and intraoperative upper gastrointestinal endoscopy for subtotal gastrectomy and surgery for cancer of the gastroesophageal junctionTechnic of NIRGS. The tip of the endoscope was pressed to the wall of the anterior esophagus near the oral wedge of tumorBack to article page