Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single chest portable radiograph demonstrates unremarkable mediastinal and hilar contours . Stable enlarged cardiac silhouette present . Interval reduction in right pleural effusion , now small in size , with stable adjacent right lower lung atelectasis . No pneumothorax evident . No focal opacification concerning for pneumonia identified .
    OUTPUT:
    
No pneumothorax . Interval reduction in right pleural effusion , now small in size .