In Table II, the association between the KRAS-LCS6 and SLC23A2-05 polymorphisms, and the degree of cancer differentiation (KRAS-LCS6, P=0.140; and SLC23A2-05, P=0.186) and cancer location (KRAS-LCS6, P=0.640; and SLC23A2-05, P=0.447) is shown. This evidence concerns the gene KRAS and cancer.