Radiological signs of coarctation of aoa are all EXCEPT:

Coarctation of the aoa is the most common congenital cardiovascular cause of hypeension. The diagnosis may be confirmed by Chest x-ray and Transesophageal echocardiography. Rib notching is the most specific sign and it occurs mainly in the fouh to the tenth ribs and appears by the age of 10. The left border of the hea shows the 3 sign. Therapeutic options include Surgical repair and balloon angioplasty, with or without placement of an Intravascular stent. TRANSPOSITION OF GREAT AERIES (TGA) : The vascular pedicle is characteristically narrow in the frontal plane because the pulmonary aery lies behind the aoa and not by its side. The Hea is enlarged and takes the shape of an "egg on the side"