This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney & Ureturs, Subject name: Surgery
The Earliest symptom of Wilm's tumor is: 
Select and explain. 
A. Hematuria, B. Pyrexia, C. Abdominal mass, D. Metastases
C: Abdominal mass
Answer: C: Abdominal mass 
Explanation: Ans. (c) Abdominal massRef: Bailey 26th Edition, Page 1304* Wilm's tumor presents with an abdominal mass. Other symptoms include hematuria, abdominal pain or fever