Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lungs are hyperinflated . The heart is mildly enlarged . No effusion or pneumothorax . Mediastinal contour is normal . Bony structures are intact . AC joint arthropathy noted bilaterally . No free air below the right hemidiaphragm .
    OUTPUT:
    
Hyperinflated lungs , mild cardiomegaly .