11741
RESULTS : The proportion of high - grade ( Gleason 7 - 10 ) tumors was significantly elevated among men who had used 5 - ARIs for 4 years or longer compared to the non - users ( 83 . 3 % vs . 53 . 3 % , respectively ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None