Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs are hyperinflated and lucent suggesting emphysema . The heart is mildly enlarged . The mediastinal contour is normal . No convincing evidence for pneumonia or edema . No effusion or pneumothorax . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild cardiomegaly , emphysema , no signs of pneumonia .