It has been reported that the GSTP1-A105G polymorphism was associated with prognosis of gastric and colorectal cancer patients receiving platinum-based chemotherapy (the mutant 105 G/G homozygous involving with survival benefits [11,49], while wild type 105 A/A homozygous associated with unfavorable clinical outcomes [14]). Here, GSTP1 is linked to colorectal cancer.