a usually malignant tumor arising from connective tissue (bone or muscle etc.); one of the four major types of cancer
"After months of pain in his leg, the doctor confirmed that the mass was indeed a sarcoma originating from the bone."
A type of malignant tumor of the bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue.
"After his diagnosis confirmed that his sarcoma had spread from the thigh muscle to nearby lymph nodes, the doctors began planning an aggressive chemotherapy regimen."