X-ray Chest PA view showing prominent ascending aortic dilatation

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X-ray chest PA view showing prominent dilatation of ascending aorta appearing as a right paracardiac shadow. Other possibilities which may be considered are paracardiac mass lesion or cyst.

X-ray taken one year earlier – Significant aortic dilatation

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X-ray chest PA view taken one year earlier shows significant dilatation of ascending aorta as well as the descending aorta. There is an apparent similarity to the shadow of right atrial enlargement. But the presence of associated dilatation of descending aorta suggests that the shadow on the right cardiac border is most probably the ascending aortic dilatation. In right atrial enlargement, the ‘cardiophrenic angle’ may not be so acute. There is an apparent cardiomegaly, though the heart as such may not be dilated.

Initial X-ray – mild aortic dilatation

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The first available x-ray chest PA view taken five years earlier, showing mild only prominence of the ascending aortic shadow. Arch of aorta appears unfolded. There is no cardiomegaly.