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
Which of the following is not associated with Renal cell carcinoma: 
Select and explain. 
A. Polycythemia, B. Amyloidosis, C. Cushing' s syndrome, D. Hypertension
C: Cushing' s syndrome
Answer: C: Cushing' s syndrome 
Explanation: None