Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are low in volume with increased interstitial markings as on the previous study with fullness of the mediastinal vessels consistent with mild pulmonary edema . Dual lead pacemaker and single lead ICD are all in unchanged position . No focal consolidation or pleural effusion is seen . Marked enlargement of cardiac silhouette persists unchanged . There is no pneumothorax .
    OUTPUT:
    
Mild pulmonary edema without pleural effusion .