Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe enlargement of the cardiac silhouette is present . Mediastinal contours unremarkable . There is mild interstitial pulmonary edema with perihilar haziness and increased interstitial opacities bilaterally . No pleural effusion , focal consolidation or pneumothorax is present . Mild multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Moderate to severe cardiomegaly with mild interstitial pulmonary edema .