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 details of a family with classic Li - Fraumeni syndrome in which there is a mutation in codon 344 of the tumour suppressor gene TP53 .
### Output Text:
We report details of a family with classic <span class="disease">Li - Fraumeni syndrome</span> in which there is a mutation in codon 344 of the <span class="disease">tumour</span> suppressor gene TP53 . 