Would you recommend SLNBx in a patient with moderately differentiated SCC on the scalp?

Role of SLNBX in SCC is up in the air. We will present these high-risk patients at tumor board, but our recommendation for SLNBX is not consistent and rare. Just for "mod diff SCC on scalp" we would not. If it were 5 cm, down to bone with perineural, maybe...