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 one of the following is false about scwachman - diamond syndrome 
Select and explain. 
A. Bleeding is most common early symptom, B. Splenomegaly, C. Infections, D. Hypocellular bone marrow
B: Splenomegaly
Answer: B: Splenomegaly 
Explanation: Splenomegaly absent in scwachman diamond syndrome.