25900
Patients treated with 5 - fluorouracil - based chemotherapy , carrying the CCND1 rs9344 A / A genotype had significantly decreased time - to - tumor recurrence ( TTR ) in univariate analysis and multivariate analysis ( hazard ratio ( HR ) 2 . 47 ; 95 % confidence interval ( CI ) 1 . 16 - 5 . 29 ; P = 0 . 019 ) .
 Chemical: 5 - fluorouracil
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: 5 - fluorouracil