646
The remaining eight cases ( 89 % ) of male breast cancer with a family history of breast / ovarian cancer in first - degree relatives remain unaccounted for by mutations in either the BRCA1 gene or the BRCA2 gene . .
 Disease: male breast cancer; Disease: breast / 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: male breast cancer; Disease: breast / ovarian cancer