Outcomes after natural orifice extraction vs conventional specimen extraction surgery for colorectal cancer: A propensity score-matched analysis

Figure 4 The hypothetical advantage of rectal purse-string closure is the creation of a double purse-string single-stapled anastomosis. A and B: Methods of rectal stump closure linear-stapled closure, intracorporeal purse-string suture onto the fully extended spike of the circular stapler; C: Transanal purse-string suture with a transanal access device; D: A double purse-string single-stapled anastomosis.