Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There patchy opacities in the left mid lung and inferior aspect of the left upper lung . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal to mildly enlarged .
    OUTPUT:
    
Patchy opacities in the left mid lung worrisome for pneumonia . Top - normal to mildly enlarged cardiac silhouette .