4
In marked contrast to the ATM mutation pattern in A - T , the most frequent nucleotide changes in this leukaemia were missense mutations .
 Disease: A - T; Disease: leukaemia
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: A - T; Disease: leukaemia