Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable supine chest radiograph was obtained . The lungs are hyperinflated . There is a diffuse interstitial opacities throughout both lungs . Cardiac silhouette is massively enlarged . The upper airway is deviated by the innominate vein as shown on recent CT . Deviation of the lower trachea is due to an ectatic aortic arch . The ___ sternotomy wire from the top is fractured but not displaced . A single cardiac device lead terminates in the left ventricle .
    OUTPUT:
    
1 . Severe cardiomegaly and moderate interstitial pulmonary edema . 2 . Background of emphysema .