Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are increased opacities in both lung bases which likely reflect atelectasis and / or consolidation . No pleural effusion or pneumothorax is identified . The size of the cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Bibasilar opacities likely reflect a combination of atelectasis and consolidation .