Description: Soft tissue sarcoma is a cancer that starts in the soft tissues of the body, such as muscle, fat, nerves, blood vessels, and lymph vessels. Soft tissue sarcomas are relatively rare. 

Signs and Symptoms: 

• Lump under the skin that is growing 
• Pain in the area of the lump 
• Swelling in the area of the lump 

Diagnosis: 

• Physical exam of the lump 
• Imaging tests:?X-ray,?CT scan,?MRI scan 
• Biopsy:?Removing a small tissue sample for examination under a microscope 

Treatment Options: 

• Surgery:?To remove the tumor and surrounding tissue 
• Radiation therapy:?Uses high-energy rays to kill cancer cells 
• Chemotherapy:?Uses drugs to kill cancer cells throughout the body