FINDINGS:
Heart size is normal.  The aorta is tortuous in the ascending aortic contour
 appears mildly dilated.  Hilar contours are normal.  The pulmonary vasculature
 is not engorged.  The lungs are clear.  No pleural effusion or pneumothorax is
 demonstrated.  No acute osseous abnormalities detected

IMPRESSION:
No acute cardiopulmonary abnormality.  Normal heart size.  Mildly tortuous and
 dilated ascending aorta, compatible with a history of aortic stenosis.