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: Chromosomal translocations identified in hematopoietic and solid tumors result in deregulated expression of protooncogenes or creation of chimeric proteins with tumorigenic potential .
### Output Text:
Chromosomal translocations identified in <span class="disease">hematopoietic and solid tumors</span> result in deregulated expression of protooncogenes or creation of chimeric proteins with tumorigenic potential . 