Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is likely a combination of scarring and atelectasis in the mid and lower left lung . There is no new focal consolidation . Heart size is top - normal . Aneurysmal dilatation of the visualized thoracic aorta is CHRONIC , RECENTLY EVALUATED BY MRA . Cardiomediastinal hilar silhouettes are stable . No pleural effusion . No pneumothorax . Median sternotomy wires and mediastinal clips are noted .
    OUTPUT:
    
1 . No pleural effusion or other acute cardiopulmonary abnormality . 2 . CHRONIC ANEURYSMAL dilatation of THE DESCENDING thoracic aorta is better assessed on recent cross - sectional imaging .