2715
However , asymptomatic ST changes ( greater than or equal to 1 mm ST deviation ) were common : six of 25 patients ( 24 % ) had ST changes before 5 - FU infusion v 17 ( 68 % ) during 5 - FU infusion ( P less than . 002 ) .
 Chemical: 5 - FU; Chemical: 5 - FU
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: 5 - FU; Chemical: 5 - FU