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: Radiology
Superior rib notching is seen in all except 
Select and explain. 
A. SLE, B. Marfan's, C. Sjogren's, D. Taussig Blalock operation
D: Taussig Blalock operation
Answer: D: Taussig Blalock operation 
Explanation: Taussig Blalock operation - Inferior notching.