Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . There has been an increase in posterior left lower lobe and right middle lobe opacification . There is no definite pleural effusion or pneumothorax . The chest is hyperinflated with irregular bronchovascular markings in the upper lungs .
    OUTPUT:
    
Increased basilar opacities concerning for pneumonia . Attenuation of upper lung markings and hyperinflation consistent with emphysema .