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: Pathology
Characteristic location of Ewings sarcoma is? 
Select and explain. 
A. Epiphysis, B. Metaphysis, C. Diaphysis, D. Any of the above
C: Diaphysis
Answer: C: Diaphysis 
Explanation: Diaphysis is the characteristic location of Ewings sarcoma.