4491
We now describe somatic mutations in the DNA of four tumours which also had loss of heterozygosity ( LOH ) at a BRCA1 intragenic marker .
 Disease: tumours
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: tumours 
Answer:
 Disease: tumours