2171 Effect of degradation rate of 5-FU and genetic polymorphisms of DPYD, TSER and MTHFR on toxicity of capecitabine in colorectal cancer. (September 2015) - Botticelli, A.; Mazzuca, F.; Borro, M.; Mazzotti, E.; Maddalena, C.; Gentile, G.; Lionetto, L.; Simmaco, M.; Marchetti, P.