Laparoscopic cholecystectomy (LC) is a treatment of choice for benign gall bladder disease. However, previous upper abdominal surgery caused three concerns in the laparoscopic approach: the increased risk of bowel injury on initial entry into the abdomen, inadequate exposure to the operative field and potential complication arising from adhesiolysis. When using conventional 3- or 4-port technique, laparoscopic adhesiolysis might be required in most cases and is associated with a longer operative time. Therefore, we used subcostal port for camera rather than conventional umbilical port for LC in patients with previous midline incision.
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