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: In stage II colorectal carcinomas , the absence of DCC identifies a subgroup of patients with lesions that behave like stage III cancers .
### Output Text:
In <span class="disease">stage II colorectal carcinomas</span> , the absence of DCC identifies a subgroup of patients with lesions that behave like <span class="disease">stage III cancers</span> . 