Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours including enlargement of the cardiac silhouette is stable . Sternotomy hardware and pacemaker leads are unchanged in position . Mild pulmonary interstitial edema is no worse compared to multiple prior studies . There is no evidence of new consolidation or large pleural effusion . No pneumothorax .
    OUTPUT:
    
Cardiomegaly and mild diffuse pulmonary interstitial edema is relatively similar compared to the prior examination .