Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain hyperinflated . There is persistent to slight blunting of the right costophrenic angle which could be due to a trace pleural effusion and or pleural thickening / atelectasis . There is subtle diffuse increase in interstitial opacity bilaterally which could be due to mild fluid overload versus atypical infection . No lobar consolidation is seen . The cardiac and mediastinal silhouettes are stable . Aorta remains calcified and tortuous .
    OUTPUT:
    
Hyperinflated lungs with evidence of pulmonary emphysema again seen . Increase in interstitial markings bilaterally could be due to superimposed fluid overload versus atypical infection .