Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . Lung volumes are low , causing crowding of bronchovascular structures . Patchy opacities in the bilateral lower lungs may be due to atelectasis , aspiration , or infection , in the appropriate clinical setting . Apical nodularity in the right upper lung is unchanged since ___ and therefore benign . Prominence of the right heart border is in keeping with the known ascending aortic aneurysm . No new focal consolidation , pneumothorax , or pleural effusions are identified .
    OUTPUT:
    
1 . Patchy opacities in the bilateral lower lungs may be due to atelectasis , aspiration , or infection , in the appropriate clinical setting . 2 . Prominence of the right heart border is in keeping with the known ascending aortic aneurysm , previously characterized on the chest CT of ___ .