Fig. 4From: 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 line which the tip of the upper gastrointestinal endoscope is pressed to the anterior esophageal wall is recognized as surgical cut lineBack to article page