None of the mutated genes carried variations in every NMC sample, but six genes (FAM104B, HYDIN, KIR2DL1, RECQL5, TTN and ZNF717) harbored variants in at least two-thirds of the NMC samples (Figure 5 and Supplementary DataFile3). This evidence concerns the gene KIR2DL1 and nut midline carcinoma.