Other non-osteosarcomatous malignancies occurring in the jawbones primarily included conventional and mesenchymal chondrosarcoma, Ewing sarcoma, TFCP2::EWSR1-rearranged rhabdomyosarcoma, and odontogenic neoplasms such as ameloblastic fibrosarcoma. Here, EWSR1 is linked to mesenchymal chondrosarcoma.