“…Three studies performed routine operations concomitant to LD, including prophylactic cholecystectomy, 2 prophylactic appendectomy, 8 and therapeutic cholecystectomy for chronic cholecystitis 4 . Three studies used marking sutures to discriminate between the intestinal limbs 2,6,16 . Six studies reported measurement of the whole bowel length 5,16–18,20,21 .…”