Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The heart remains markedly enlarged . No signs of edema or pneumonia . Lungs are hyperinflated . Mediastinal contour is normal . No pneumothorax or large effusion . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Marked cardiomegaly . Hyperinflated lungs , otherwise unremarkable .