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: We report the functional definition of a novel genetic locus within human chromosome 10pter - q11 that mediates both in vivo tumor suppression and in vitro apoptosis of prostatic adenocarcinoma cells .
### Output Text:
We report the functional definition of a novel genetic locus within human chromosome 10pter - q11 that mediates both in vivo tumor suppression and in vitro apoptosis of <span class="disease">prostatic adenocarcinoma</span> cells . 