epithelioid sarcoma

A rare type of cancer that usually begins as a slow-growing, firm lump in the deep soft tissue or skin of the arms, hands, or fingers. It may also occur in the legs, trunk (chest and abdomen), or head and neck. The lump is usually painless and there may be an ulcer in the skin covering the lump. Epithelioid sarcoma may spread to nearby tissue, lymph nodes, or other parts of the body. It often recurs (comes back) after treatment. Epithelioid sarcoma usually occurs in young adults. It is a type of soft tissue sarcoma.