“…Some surgeons believe that the rate of CS depends on the level and extent of sympathectomy, with a larger and higher resection of sympathetic chain resulting in a higher incidence of CS [54,55]. Conversely, some believe that CS occurs independent of the extent of sympathectomy [56,57]. Regardless of the mechanism, many surgeons have altered their surgical technique from resecting the sympathetic chain to clipping in the hopes that the procedure could be reversed if a patient develops severe CS.…”