We also analysed cfRNA copies of KPNA2, DTL, BACE2 and DTYMK across different mutational genotypes of melanoma tissue (N = 33 BRAF/NRAS wild‐type, of those N = 4 positive for TERTprom; N = 41 BRAFV600 mutant and N = 25 NRASQ61 mutant melanomas). Here, BACE2 is linked to melanoma.