Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mildly enlarged . The mediastinal and hilar contours are similar . Lungs remain hyperinflated with emphysema again noted . Indistinctness of the pulmonary vascular markings suggest mild pulmonary vascular congestion . Worsening bilateral upper lobe and left basilar airspace opacities are concerning for multifocal pneumonia . There may be a trace right pleural effusion . No pneumothorax is detected . No acute osseous abnormalities seen .
    OUTPUT:
    
1 . Worsening bilateral upper lobe and left basilar airspace opacities concerning for multifocal pneumonia . 2 . Mild pulmonary vascular congestion and probable trace right pleural effusion . 3 . Emphysema .