Soft-tissue sarcomas are tumors that can happen in many different tissues in the body. Most soft-tissue sarcomas begin in the arms, legs, or the body wall. People usually first notice a painless lump, ...

Synovial sarcoma is a form of soft tissue cancer. It often develops around the joints and can be difficult to diagnose. This condition can spread to other body parts, most notably the lungs. Because ...

Sarcoma is a type of cancer that originates in the bones or soft tissue. Soft tissue sarcoma (STS) most often begins in the arms and legs but can also occur in other body parts. Soft tissues include ...