A soft tissue sarcoma (STS) is a malignant tumor that starts in soft tissue such as muscle, deep skin tissues, cartilage, or fat. It often occurs as a lump in the arm, although it can happen anywhere.

Causes of Soft Tissue Sarcoma:The exact soft tissue sarcoma causes remain unclear, but several risk factors have been identified. These include a family history of inherited conditions such as ...

Patients with non-metastatic soft tissue sarcoma (STS) who need pre-operative radiation therapy can safely receive hypofractionated treatment over three weeks instead of five, with comparable tumor ...

Ravin Ratan, MD, MEd, of The University of Texas MD Anderson Cancer Center, explains the origins of soft tissue sarcomas within the body—which account for 1% of cancers in adult patients—how they are ...