This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Anatomy
[{'content': 'Most specific marker for myeloid series is: \nSelect and explain. \nA. CD34, B. CD45, C. CD99, D. CD117', 'role': 'user'}, {'content': 'Answer: D \nExplanation: As per Wintrobes the marker for myeloud series CD13,CD33,CD11b,CD15,CD117 and cMPO. Regarding other options CD 34 -myeloid and lymphoid blasts,stem cells CD45 -leucocyte common antigen CD 99- Ewings sarcoma.( ref wintrobes 11th /4145)', 'role': 'assistant'}]