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
Which the following is not seen in a chronic case of Sickle cell anemia - 
Select and explain. 
A. Hepatomegaly, B. Pulmonary hypertension, C. Cardiomegaly, D. Splenomegaly
D: Splenomegaly
Answer: D: Splenomegaly 
Explanation: None