EWSR1 and extraskeletal myxoid chondrosarcoma: <h4>Unlabelled</h4><h4>Background</h4>Extraskeletal myxoid chondrosarcoma (EMCS) is a rare soft tissue sarcoma of uncertain differentiation, characterized in most cases by a translocation that results in the fusion protein EWSR1-CHN (the latter even called NR4A3 or TEC).