VEGFC and lip and oral cavity carcinoma: Alleles with the highest distribution frequency for rs3775194, rs11947611, rs1485766, rs7664413, and rs2046463 genes of VEGF-C in both of our recruited male oral-cancer patients and healthy control respectively were homozygous for G/G, heterozygous for A/G, heterozygous for C/A, homozygous for C/C, and homozygous for A/A.