Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded with flattening of the diaphragm suggesting emphysema . Streaky linear opacities in the right middle lobe are seen suggestive of atelectasis . No other focal opacities are present . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion , pulmonary edema , or pneumothorax . Old fracture of a lower right rib is unchanged .
    OUTPUT:
    
Linear opacities in the right middle lobe on a background of emphysema suggesting atelectasis but an early infectious process can not be excluded . Correlate clinically .