Aortic and pulmonary vascular abnormalities on CXR Aortic abnormalities on CXR Right aortic arch: Side of aortic arch is recognized by the indentation of tracheal air shadow. Normally
Biatrial enlargement on CXR Biatrial enlargement on CXR causing cardiomegaly with a right ventricular pattern of apex (lifted up). Right atrial enlargement is evidenced by shift of the
Double atrial shadow and prominent upper lobe vessels X-ray chest PA view showing prominent double atrial shadow (double atrial contour, shadow in shadow, double density [1]) to the right