TP53, MDM2, MDM4, MTHFR, CASP8, and CCR5 genes polymorphic variants of laryngeal tumor tissue using agarose electrophoresis and LabChip GX/GX II Touch capillary electrophoresis gel: (A)—TP53 polymorphic variants (141 bp—Arg; 177 bp—Pro); (B)—MDM4 and MDM2 gene polymorphic variants of laryngeal tumor tissue using LabChip GX/GX II Touch capillary electrophoresis method. Single nucleotide polymorphisms (SNPs) of gene MDM2 (89 bp—G/G; 64 bp, 25 bp—T/T; 89 bp, 64 bp, 25 bp—T/G); SNPs of gene MDM4 (132bp—A/A, 132 bp, 111 bp—A/C, 111 bp—C/C); (C)—SNPs of gene MTHFR (168 pb, 126 bp—T/T; 294 bp—C/C; 294 bp, 168 bp, 126 bp—C/T); (D)—SNPs of gene CCR5 (79 bp—Δ32/Δ32; 111 bp—wt/wt; 111 bp, 79 bp—wt/Δ32); (E)—SNPs of gene CASP8 (396 bp, 291 bp—del/del; 396 bp, 291 bp, 139 bp—del/ins; 396 bp, 139 bp—ins/ins); (F)—HPV (457 bp).