This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Wilms Tumor, Subject name: Pathology
All are true about presentation of Wilms tumor except 
Select and explain. 
A. Painless mass, B. Fever, C. Can present in infancy, D. Bilateral involvement is common
D: Bilateral involvement is common
Answer: D: Bilateral involvement is common 
Explanation: Wilms Tumor Children aged 2-5 years Associated with WT1 & WT2 gene mutations. C/F : Abdominal mass - can cross the midline , Hematuria , Fever Bilateral involvement is not common.