Which of the following is the most common retro peritoneal sarcoma ?: (A) Liposarcoma, (B) Leomyo sarcoma, (C) Fibrosarcoma, (D) Neural sheath sarcoma
Answer is A. Retroperitoneal sarcomas account for 0.1%-0.2% of all malignant tumours and about 15% of all sarcomas. Liposarcoma is the most common type of retroperitoneal sarcoma (41%), followed by leiomyosarcoma, malignant fibrous histiocytoma, fibrosarcoma and other undifferentiated sarcomas