Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , with crowding of bronchovascular markings . Increased opacity at the lung bases may be due to atelectasis or aspiration . There are no large pleural effusions or pneumothorax . Heart size is normal .
    OUTPUT:
    
Bibasilar opacities may represent atelectasis or aspiration . If possible , repeat two - view radiograph at full inspiration would be helpful .