Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is mildly enlarged , and there is bilateral interstitial prominence . There is no pleural effusion or pneumothorax identified . No focal consolidation is seen to suggest pneumonia . Calcifications are seen in the aortic arch .
    OUTPUT:
    
Mild cardiomegaly and interstitial opacities compatible with mild pulmonary edema . Less likely , this could represent chronic lung disease , and correlation with EKG and cardiac enzymes is recommended .