Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Lungs are hyperinflated with widened AP diameter of the chest as seen previously compatible with COPD . The heart is moderately enlarged . There is poorly defined opacity in the left lower lobe which is concerning for pneumonia . In addition , there is a second area of vague opacity in the left mid lung . Findings suggest multifocal pneumonia . No large pleural effusions are seen . No pneumothorax . Mediastinal contour is unremarkable . Bony structures are intact , though demineralized .
    OUTPUT:
    
Opacity in the left mid and lower lung concerning for pneumonia . Moderate cardiomegaly and COPD .