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
Noonan syndrome is characterized  by all except 
Select and explain. 
A. Hypertrophic cardiomyopathy, B. Dysplastic pulmonary stenosis, C. Pectus excavatum, D. Coarctation of aorta
D: Coarctation of aorta
Answer: D: Coarctation of aorta 
Explanation: Coarctation  of aorta  is not the cardiovascular manifestation  in Noonan syndrome.