Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart appears mildly enlarged and perhaps somewhat increased . There is no clear evidence for pulmonary edema , however . The chest appears hyperinflated . Irregular bronchovascular architecture and relative lucency in the upper lungs is suggestive of emphysema . There is volume loss and opacification of some basilar portions of the left lower lobe with a probable small pleural effusion . There was mild scarring previously in the lingula but left lower lobe findings are new on this study .
    OUTPUT:
    
Left lower lobe opacification suggesting pneumonia . Emphysema .