“…In the present study, we observed a significant improvement in OS among patients who underwent pelvic and para-aortic systematic LND 17,18 These studies indicated that systematic lymphadenectomy during IDS had no value with regard to improvements in PFS and OS, time, blood transfusion, and lymphocele occurrence. However, one of these studies compared two matched group treated in different institutions, and therefore, each group might have had different treatment policies of surgery and chemotherapy.…”