Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . An irregular consolidation is again noted in the left upper lobe , similar to slightly more conspicuous from prior exam . The lungs are hyperinflated with widened AP diameter of the chest , possibly reflecting COPD . The heart is moderately enlarged . No signs of CHF . Atherosclerotic calcification along the aortic knob noted . Bony structures appear intact .
    OUTPUT:
    
1 . Poorly - defined opacity in the left upper lobe , for which nonemergent chest CT is recommended to further assess . 2 . Moderate cardiomegaly without signs of failure . 3 . Hyperinflated lungs , which could be reflective of underlying COPD .