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 the pediatric solid tumor alveolar rhabdomyosarcoma , a consistent t ( 2 ; 13 ) ( q35 ; q14 ) or variant t ( 1 ; 13 ) ( p36 ; q14 ) translocation generates PAX3 - FKHR or PAX7 - FKHR fusion proteins , respectively .
### Output Text:
In the pediatric <span class="disease">solid tumor</span> <span class="disease">alveolar rhabdomyosarcoma</span> , a consistent t ( 2 ; 13 ) ( q35 ; q14 ) or variant t ( 1 ; 13 ) ( p36 ; q14 ) translocation generates PAX3 - FKHR or PAX7 - FKHR fusion proteins , respectively . 