In the sentence extracted from biomedical literature, identify all the disease entities. The required answer format is the same sentence with HTML <span> tags to mark up specific entities. 
### Entity Markup Guides:
Use <span class="disease"> to denote a disease.

### Input Text: A population - based series of 54 male breast cancer cases from Southern California were analyzed for germ - line mutations in the inherited breast / ovarian cancer genes , BRCA1 and BRCA2 .
### Output Text:
A population - based series of 54 <span class="disease">male breast cancer</span> cases from Southern California were analyzed for germ - line mutations in the <span class="disease">inherited breast / ovarian cancer</span> genes , BRCA1 and BRCA2 . 