the juxtaposition of a high grade sarcoma ( mfh ) and a locally aggressive nonmalignant neoplasm such as giant cell tumor is analogous to several other tumors of bone and soft tissue in which a low grade malignant or locally aggressive tumor can be associated with mfh or fibrosarcoma de novo , namely chondrosarcoma , chordoma , liposarcoma , and well differentiated intraosseous and parosteal osteosarcoma .
C0225317
soft tissue
C0334463
mfh