Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe enlargement of the cardiac silhouette is noted . Atherosclerotic calcifications are seen involving the aortic knob . There is moderate pulmonary edema with perihilar haziness and vascular indistinctness . Small bilateral pleural effusions are likely present . There is likely a moderate - sized hiatal hernia accounting for the lucency projecting over the cardiac silhouette . Interstitial opacities within the lung bases may reflect an underlying chronic interstitial lung disease . No pneumothorax is present . No acute osseous abnormality is grossly noted .
    OUTPUT:
    
Moderate pulmonary edema with probable trace bilateral pleural effusions , potentially superimposed on a background of chronic interstitial lung disease . Moderate size hiatal hernia .