Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . There is an opacity at the base of the right lung that could represent scarring or atelectasis , but could also represent pneumonia . The heart is enlarged and the aorta is mildly tortuous . The hilar contours are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Severe emphysema and right base opacity concerning for possible pneumonia . These findings were communicated to Dr . ___ at 10 :00 on ___ by Dr . ___ .