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': '“Checker board” histologic appearance of chromatin clumping is seen in \nSelect and explain. \nA. Plasmacytoma, B. Neutropenia, C. Neutrocytosis, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]