<unk>  is a rare form of cancer called a sarcoma. It is known to occur mainly in the soft tissues and dermis. Rare forms were thought to occur in the gastrointestinal tract before they were discovered to be different and redesignated as GNET. Recurrence is common.<unk> 's neoplastic<unk> s express the EWSR1-ATF1 fusion gene in a majority of cases or a EWSR1-CREB1, EWSR1-CREM, or EWSR1-DDIT3 fusion gene in a small subset of cases (see FET gene family of fusion genes).<unk>  of the soft tissues in adults is not related to the pediatric tumor known as<unk>  of the kidney.
Clear cell sarcoma
Hemangiosarcoma
Adenomatoid tumor
Epithelioid sarcoma
Angiosarcoma
Alveolar soft part sarcoma
Fibrosarcoma
Sarcoma