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
[{'content': 'All are true about presentation of Wilms tumor except \nSelect and explain. \nA. Painless mass, B. Fever, C. Can present in infancy, D. Bilateral involvement is common', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 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.', 'role': 'assistant'}]