RRM1 and Thrombocytopenia: SNPs of MMS19L were related with total grade 3/4 adverse events (OR = 1.091, P = 0.024) and grade 3/4 thrombocytopenia (OR = 1.119, P = 0.035), while SNPs of RRM1 were related with total grade 3/4 adverse events (OR = 5.159, P = 0.047) and with grade 3/4 vomiting (OR = 2.319, P = 0.046).