Sarcomas Are a Rare and Heterogeneous Group of Malignant Tumors of Mesenchymal Origin and Are Approximately 1% of all Adult Malignancies and 12% of Pediatric Cancers.
As classified by the World Health Organization (WHO), the group of soft tissue sarcomas includes more than 100 different histologic subtypes.
The main types of soft tissue sarcoma arise from:
- Fat cells
- Peripheral nerves
- Cartilage and other connective tissue
- Blood and lymph vessels
- Fibrous tissue