Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are mildly underinflated with the increased right infrahilar heterogeneous opacity which could represent developing aspiration , however likely represents atelectasis . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouette is normal .
    OUTPUT:
    
Heterogeneous right infrahilar opacity likely represents atelectasis , however could represent aspiration in the appropriate clinical setting .