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
[{'content': 'All of the following statement regarding ewings sarcoma are true except? \nSelect and explain. \nA. Common location is diaphysis of long bones, B. Symptoms resemble osteomyelitic, C. Translocation +(11,22) is classical, D. Flexner-Wintersteiner rosettes.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In ewings sarcoma, Homer-Wright pseudo rosettes are seen.\nFlexner-Wintersteiner rosettes are seen in retinoblastoma.', 'role': 'assistant'}]