Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild bibasilar opacities is likely due to atelectasis and / or small pleural effusion . Mildly enlarged cardiac silhouette is exaggerated by low lung volumes .
    OUTPUT:
    
Mild bibasilar opacities are likely atelectasis and / or small pleural effusion . No focal consolidation convincing for pneumonia .