This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Which metabolic condition has phosphaturia and osteomalacia? 
Select and explain. 
A. Fibrosarcoma, B. Osteosarcoma, C. Undifferentiated sarcoma, D. Malignant peripheral nerve sheath tumor
A: Fibrosarcoma
Answer: A: Fibrosarcoma 
Explanation: Ans: A. FibrosarcomaPhosphatonin (FGF-23) oncogenic osteomalacia (paraneoplastic syndrome) seen in fibrosarcoma.