What are the major types of retroperitoneal sarcoma?
Liposarcoma is the most common retroperitoneal sarcoma (40%), followed by leiomyosarcoma (30%) and malignant fibrous histiocytoma (MFH) (15%). Malignant peripheral nerve sheath tumor (MPNST) is more frequently encountered in patients with neurofibromatosis type 1 (NF-1).
