543
Our data indicate for the first time that beta - catenin accumulation may play a role in the development of hepatoblastoma and that activating mutations of the beta - catenin gene may substitute biallelic APC inactivation in this tumor type .
 Disease: hepatoblastoma; Disease: tumor
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: hepatoblastoma, tumor 
Answer:
 Disease: hepatoblastoma; Disease: tumor