“…Gagner and GarciaRuiz [1] reported that one reason for conversion was inability to grasp the reasons gallbladder due to the small jaws of the needlescopic graspers. For 3-mm needlescope procedures reported previously, the mean patient age, operation time, postoperative hospital stay, rates of conversion to conventional laparoscopic and open procedures, and morbidity rate were 50.8 years, 65.4 min, 1.6 days, 7.8 and 1.5%, and 5.7%, respectively [18,29,[32][33][34][35][36][37][38][39]. The corresponding figures for the use of 2-mm or 3-mm instruments plus 5-mm ones were 50.1 years, 61.5 min, 3.1 days, 6.6 and 0%, and 1.3%, respectively [37][38][39][40][41][42][43].…”