NRAS and melanoma: BRAF patients were slightly younger than NRAS and WT/WT; mean age at primary melanoma and at LM was respectively 50 ± 16 and 56 ± 16 years for BRAF, 55 ± 22 and 59 ± 20 years for NRAS and 55 ± 12 and 59 ± 11 years in WT/WT patients (Table 1).