Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Clips are again seen in the left neck and superior mediastinum . The heart is mildly enlarged . The lungs appear hyperinflated . No focal consolidation , effusion or pneumothorax . No overt edema . Lucent appearance of the lungs suggest emphysema . Bony structures appear intact .
    OUTPUT:
    
Emphysema without superimposed pneumonia . Mild cardiomegaly is stable .