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Women who carry a mutation in the BRCA1 gene ( on chromosome 17q21 ) , have an 80 % risk of breast cancer and a 40 % risk of ovarian cancer by the age of 70 ( ref . 1 ) .
 Disease: breast cancer; Disease: ovarian 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; Disease: ovarian cancer