UB1: Low Grade Pleomorphic Sarcoma in Bone Infarct
UB2: High Grade Undifferentiated Pleomorphic Sarcoma
UB3: Epithelioid Osteosarcoma
UB4: Malignant Sheath Tumor
UB5: Odontogenic Carcinosarcoma
UB6: Odontogenic Carcinosarcoma