4398
Of the 15 families that contain cases of ovarian cancer , 94 % were estimated to be linked to BRCA1 .
 Disease: ovarian cancer
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: ovarian cancer 
Answer:
 Disease: ovarian cancer