Novel and safer endoscopic cholecystectomy using only a flexible endoscope via single port

Figure 3 The ring-shaped thread technique. A: The thread was hooked crosswise to the 2 supporting points (yellow arrow) of the gallbladder (blue arrow) and abdominal wall. Red arrow revealed the liver; B: The neck of the gallbladder was cut using scissor forceps (yellow arrow: neck of the gallbladder; blue arrows: gallbladder vein; red arrow: gallbladder artery; green arrow: cystic duct); C: The gallbladder was completely resected and put upon (blue curved arrow) the liver (red arrow); D: Resected gallbladder bed was very smooth without blood and damage.