In atrial septal defect the aorta is –: (A) Small, (B) Normal, (C) Enlarged, (D) Aneurysmal
Answer is A. Chest x-ray in ASD

Mild to moderate cardiomegaly                                            
Right atrial and right ventricular enlargement.                     
Plethoric lung fields.
prominent pulmonary artery segement.
Relatively small aortic shadow