Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two views were obtained of the chest . The lungs are hyperexpanded with bilateral interstitial abnormality compatible with known severe emphysema , which contributes to right upper lung confluent peripheral reticular changes . Left mid lung opacities are chronic and likely result from a combination of the known destructive chest wall mass , post - treatment changes and severe emphysema . Small bilateral pleural effusions are unchanged on the right and slightly increased on the left . The heart and mediastinal contours are unchanged .
    OUTPUT:
    
Unchanged small right and increased small left pleural effusions with chronic changes related to known chest wall mass and severe emphysema .