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
All are associated with coarctation of aorta, except 
Select and explain. 
A. Patent ductus arteriosus, B. Renal artery stenosis, C. Bicuspid aortic valve, D. Turner's syndrome
B: Renal artery stenosis
Answer: B: Renal artery stenosis 
Explanation: None