Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . Increased density in the right hilum and retrocardiac region are concerning for an infectious process . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Right hilum and retrocardiac opacities , concerning for pneumonia . But interval followup is recommended upon completion of treatment to document resolution .