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
Most common presentation of Renal cell carcinoma is 
Select and explain. 
A. Abdominal mass, B. Hematuria, C. Flank pain, D. Nocturia
B: Hematuria
Answer: B: Hematuria 
Explanation: None