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
[{'content': "Commonest presentation of Wilm's Tumor is: \nSelect and explain. \nA. Hematuria, B. Abdominallump, C. Hydronephrosis, D. Pain in abdomen", 'role': 'user'}, {'content': "Answer: B \nExplanation: Answer is B (Abdominal lump): Most common presentation of' Wilm's tumor is an asymptomatic Abdominal Mass.", 'role': 'assistant'}]