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: Surgery
Commonest presentation of wilm's tumour is ? 
Select and explain. 
A. Hematuria, B. Abdomial lump, C. Hydronephrosis, D. Pain in abdomen.
B: Abdomial lump
Answer: B: Abdomial lump 
Explanation: Ans is 'b' ie Abdominal lump "MC presentation is painless abdominal mass usually discovered by the mother while routinely bathing the baby."