Sarcoma is a cancer that generally arises in the cells of bone, cartilage, fat, muscles, and veins. Sarcoma is rare in adults, making up only 1 percent of all adult cancers.
About 80 percent of sarcomas affect soft tissue while the remaining affect bone tissue. The majority of head and neck carcinomas are located in the neck region and the paranasal sinuses.
Head and neck sarcomas can metastasize, or spread, to distant organs, especially the lungs, liver, and bone. However, most remain local or may recur in the same area.