Fig. 1From: 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 junctionCase of upper gastric cancer. An upper gastrointestinal endoscope is inserted to the stomach, and both the surgeon and endoscopist check the location of the tumor and invasion range with Tile Pro mode on the daVinci XiBack to article page