diverse group of neoplasms. Liposarcomas are the most common histologic subtype of soft tissue sarcoma and are subdivided into five well recognized subgroups based on morphology and cytogenetic abnormalities (Ref. 2): Well differentiated (WD) Myxoid Round cell Pleomorphic Dedifferentiated liposarcoma (DD) Initiated in 1962, the modern liposarcoma histological classification schema has