Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged . The aorta is diffusely tortuous with aneurysmal dilatation of the ascending aortic contour , as seen previously , and atherosclerotic calcifications noted at the knob . Mediastinal and hilar contours are similar . Pulmonary vasculature is not engorged . Eventration of the right hemidiaphragm is again noted . Scarring in the apices is re - demonstrated . Lungs are otherwise clear without focal consolidation . No pleural effusion or pneumothorax is identified . Mild degenerative changes seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .