Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volume is low . Mild bibasilar opacities are consistent with atelectasis . There is no pneumothorax or pleural effusion . Mildly enlarged cardiomediastinal silhouette is similar to before .
    OUTPUT:
    
Low lung volumes limits assessment of lung bases . If there is persistent clinical concern for pneumonia at the consider repeat lateral with better inspiration .