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
“Checker board” histologic appearance of chromatin clumping is seen in 
Select and explain. 
A. Plasmacytoma, B. Neutropenia, C. Neutrocytosis, D. All of the above
A: Plasmacytoma
Answer: A: Plasmacytoma 
Explanation: None