Multifocal Giant Retroperitoneal Dedifferentiated Liposarcoma with dual heterologous dedifferentiation– a diagnostic and therapeutic challenge

Dedifferentiated liposarcoma (DDL) with divergent dedifferentiation is uncommonly reported variable incidences. Liposarcomas, particularly those manifesting dedifferentiation, occur in the retroperitoneum. They grow into large size, present at very late stages, and can have a poor clinical outcome. Here we rare case of recurrent dedifferentiated dual heterologous differentiation osteosarcoma Chondrosarcoma an elderly male who had initially presented wi