Sarcoma is a cancerous (malignant) tumor that begins in the soft tissue of your body. Soft tissue sarcoma (STS) starts in the connective tissues like muscle, fat, blood vessels, nerves, tendons, or ligaments as opposed to starting in bone tissue.
Soft tissue sarcoma is most often found in the arms, legs, buttocks, hand or feet. It can also take place in the chest, abdomen, head and neck. The cause of sarcomas is unknown.
Types of Sarcoma:
Sarcomas can take place practically anywhere in the body. The most common types of sarcomas are gastrointestinal stromal tumors and sarcomas that affect the arms and legs. Sarcomas types are based on the tissue in which they begin.
The main tissue groups where sarcomas often begin are:
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