Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . There is persistent right perihilar opacity and opacification at the right base , corresponding to the right lower lobe on the lateral view which may represent atelectasis or infection . The left lung appears clear . There is no evidence of pleural effusion or pneumothorax . There is persistent subcutaneous there in the right lateral chest wall and right neck , which is minimally decreased .
    OUTPUT:
    
Persistent right perihilar and right lower lobe opacities suggestive of pneumonia . No evidence of pneumothorax .