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: ATM is a member of the phosphatidylinositol - 3 - kinase superfamily , some of which are protein kinases and appear to have important roles in cell cycle control and radiation signal transduction .
### Output Text:
ATM is a member of the phosphatidylinositol - 3 - kinase superfamily , some of which are protein kinases and appear to have important roles in cell cycle control and radiation signal transduction . 