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About soft tissue sarcoma

Soft tissue sarcomas may develop in any tissue that connects, supports or surrounds other structures and organs in the body. Some examples of where soft tissues sarcomas can develop are muscles, fascia (the tough membrane that surrounds muscles), tendons, fat, blood vessels, nerves and synovial tissues (connective tissue that makes up the membranes surrounding joints).

Soft tissue sarcomas are rare in adults, accounting for less than 1 percent of all new cases of cancer. The American Cancer Society reports that about 13,130 new cases of soft tissue sarcoma will be diagnosed in 2020 (7,470 cases in males and 5,660 cases in females). Sarcomas can be found almost anywhere in the body.

According to the National Cancer Institute, about 50 percent of soft tissue sarcoma cases occur in the extremities (arms and legs), 40 percent occur in the trunk (back and chest), and 10 percent occur in the head and neck.

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