323
Overall , disease was linked to BRCA1 in an estimated 52 % of families , to BRCA2 in 32 % of families , and to neither gene in 16 % ( 95 % confidence interval [ CI ] 6 % - 28 % ) , suggesting other predisposition genes .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
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