555
The third patient ( with AO2 ) had the R279W mutation compounded with a novel mutation , the deletion of cytosine 418 ( delta c418 ) , predicting a frameshift with premature termination .
 Disease: AO2
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: AO2