Bariatric Single Incision Laparoscopic Surgery is not suitable for individuals who are extremely obese. The procedure may not be safe for these patients as the difficulty level is higher. You should not consider sleeve gastrectomy procedure by the single incision technique if you have reflux disorders as the surgery can aggravate the problem. The presence of multiple scarring because of past abdominal surgeries can disqualify an individual from considering the procedure of SILS. These individuals are prone to having adhesions that can cause complications.