In the present study we explored the effect of three polymorphisms of the TS gene on overall and progression- free survival of colorectal cancer ( CRC ) patients subjected to 5FU chemotherapy .
O O O O O O O O O O O O O B-GeneOrGeneProduct O O O O O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O B-DiseaseOrPhenotypicFeature O B-OrganismTaxon O O B-ChemicalEntity O O