875
Atm - null mice , as well as those null for p53 , develop mainly T - cell lymphomas , supporting the view that these genes have similar roles in thymocyte development .
 Disease: T - cell lymphomas
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: T - cell lymphomas