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: Medicine
Rowel-Jolly bodies may be seen after- 
Select and explain. 
A. hepatectomy, B. Splenectomy, C. Pancreatectomy, D. Cholecystectomy
B: Splenectomy
Answer: B: Splenectomy 
Explanation: None