“…A sufficient number of cases also is required, not only to justify the initial costs of starting the program, but also to enable the program to quickly overcome the learning curve that exists for both the surgeons and the institutions [4,12,13,16]. In fact, there is some evidence that high-volume programs have better results than low-volume programs [10]. When new programs are initiated without sufficient numbers, it is not surprising to see higher rates of complications such as leak rates of 20% [15,17].…”