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: Adrenal insufficiency ( Addisons disease ) is frequently associated with AMN or cerebral ALD and may remain the only clinical expression of ALD ( 8 % of cases ) .
### Output Text:
<span class="disease">Adrenal insufficiency</span> ( <span class="disease">Addisons disease</span> ) is frequently associated with <span class="disease">AMN</span> or <span class="disease">cerebral ALD</span> and may remain the only clinical expression of <span class="disease">ALD</span> ( 8 % of cases ) . 