What do systematic reviews say?

Retroperitoneal drainage vs no drainage after pelvic lymphadenectomy

Retroperitoneal drainage showed no clear difference in febrile morbidity compared with no drainage after pelvic lymphadenectomy (high certainty).

• Retroperitoneal drainage versus no drainage after pelvic lymphadenectomy for the prevention of lymphocyst formation in… 2017 · Cochrane Headline outcomes only
  RR 1.76 [0.87, 3.55]
  4 studies · 571 participants
  High