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: METHODS Clinical information , family histories , and blood for DNA analysis were obtained from 263 women with breast cancer .
### Output Text:
METHODS Clinical information , family histories , and blood for DNA analysis were obtained from 263 women with <span class="disease">breast cancer</span> . 