3238
All samples presented genetic alterations , showing a higher tendency for amplification of the ACHE ( 62 . 5 % vs . 37 . 5 % ; p > 0 . 1 ) and EPHB4 ( 53 . 13 % vs . 46 . 88 % ; p > 0 . 5 ) genes , and for deletions of the BCHE and MME genes ( 56 . 25 % vs . 43 . 75 % for both ; p > 0 . 5 ) .
 None
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