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The pattern of hereditary cancer in 14 ( 61 % ) of the 23 families studied was attributed to BRCA1 by a combination of linkage and mutation analyses .
 Disease: hereditary cancer
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: hereditary cancer