Are laparoscopic cholecystectomy and natural orifice transluminal endoscopic surgery gallbladder preserving cholecystolithotomy truly comparable? A propensity matched study

Figure 2 Natural orifice transluminal endoscopic surgery trans-rectal gallbladder preserving cholecystolithotomy. A: Detachable balloon placement in the colonic lumen; B: Rectum incision for trans-rectal access; C: Gallbladder incision; D: Visualization of gallbladder stones; E: Closure of the gallbladder wall with endoclips; F: Closure of the rectal incision with endoclips and endoloops.