What do systematic reviews say?

SLNB vs observation

SLNB showed no clear difference in disease‐specific Survival Death from melanoma compared with observation (low certainty).

• Sentinel lymph node biopsy followed by lymph node dissection for localised primary cutaneous melanoma 2015 · Cochrane Headline outcomes only
  HR 0.92 [0.74, 1.14]
  1 study · 1661 participants
  Low