Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are decreased with resultant bronchovascular crowding and accentuation of the cardiomediastinal silhouette . Within this limitation , there is streaky opacification of the right lung base most compatible with atelectasis . A small right pleural effusion is difficult to exclude . No pneumothorax is detected . The cardiac silhouette is likely enlarged . The thoracic aorta is slightly tortuous .
    OUTPUT:
    
Decreased lung volumes with right basilar opacity likely representing atelectasis .