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 defined fragment of human chromosome 10 was transferred via microcell fusion into a prostate adenocarcinoma cell line .
### Output Text:
A defined fragment of human chromosome 10 was transferred via microcell fusion into a <span class="disease">prostate adenocarcinoma</span> cell line . 