Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes contributes to bibasilar atelectasis , however despite this there is still increased opacities in lower lobes which are concerning for a pneumonia . There is no pleural effusion or pneumothorax . Cardiac silhouette is normal in size .
    OUTPUT:
    
Lower lobe opacities concerning for multifocal pneumonia .