Extraskeletal Mesenchymal Chondrosarcoma, also known as mesenchymal extraosseous chondrosarcoma, is related to mesenchymal chondrosarcoma and lipomatosis, familial multiple. An important gene associated with Extraskeletal Mesenchymal Chondrosarcoma is CD99 (CD99 Molecule (Xg Blood Group)). Affiliated tissues include bone and pancreas, and related phenotype is Increased shRNA abundance (Z-score > 2).