In cutaneous melanoma TERT promoter mutations commonly co-occur (80-90%) with NF1, BRAF or NRAS mutations, and TERT promoter mutations are also found in 15-60% of BRAF/NRAS/NF1 WT cutaneous melanoma background (33, 38–40, 43–46). The gene discussed is NF1; the disease is cutaneous melanoma.