641
Nine ( 17 % ) of the patients had a family history of breast and / or ovarian cancer in at least one first - degree relative .
 Disease: breast and / or 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 and / or ovarian cancer