18969
Ten patients ( 6M : 4F ) ranging from 32 to 90 years of age ( mean 58 . 3 years ) presented with tumors classified as indolent ( 4 cases ) or aggressive ( 6 cases ) ; 3 with BRAFV600E mutation .
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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:
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