“…One criticism for some initial studies was the high conversion rates, e.g., 21 % in the COST study. This may indicate that some surgeons in these studies have not yet [5,8,11,12]. Owing to the magnification provided by the laparoscope, the overall surgery improves in fineness and accuracy, allowing better dissection, reducing tissue handling, retraction, and trauma, and helping preserve nerves, ureter and bladder, etc.…”