This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'All the of the following characteristics are true of liposarcoma EXCEPT that it- \nSelect and explain. \nA. Is commonly found in the retroperitoneum, B. Frequently gives rise to embolization in lymphatics, C. Is the most common soft tissue sarcoma, D. Arises very rately in subcutaneous tissue', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Organs are retroperiton if the have peritonium on the anterior surface only. The size of retroperitoneal sarcoma will not affect survival.', 'role': 'assistant'}]