876
Three of 29 (10%) AML M4 without abnormal eosinophils were CBF beta -MYH11 positive, 1 of which did not show any apparent chromosome 16 abnormalities by classical metaphase analysis (2 not tested).
 ( DNA: CBF beta, None) , ( DNA: chromosome 16, None) , ( DNA: -MYH11, None) , ( cell type: abnormal eosinophils, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: CBF beta, None) , ( DNA: chromosome 16, None) , ( DNA: -MYH11, None) , ( cell type: abnormal eosinophils, None) 