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BACKGROUND To define the incidence of BRCA1 mutations among patients seen in clinics that evaluate the risk of breast cancer , we analyzed DNA samples from women seen in this setting and constructed probability tables to provide estimates of the likelihood of finding a BRCA1 mutation in individual families .
 Disease: breast 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: breast cancer