MT-ND5 and neoplasm: In addition, the genes with more variants were: (i) for tumor-exclusive variants, MT-DLOOP1 and MT-DLOOP2 (with 16% each); (ii) for variants exclusive to internal control, MT-ND5 (with 25%); and (iii) for variants shared by both groups, MT-DLOOP1 (with 22%) and MT-ND5 (with 19%).