Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is top normal . Mediastinal and hilar contours are unchanged . There is new mild pulmonary edema . No pleural effusion or pneumothorax is identified . Lung volumes are decreased compared to the prior exam . There are no acute osseous findings . Mild degenerative changes are seen in the thoracic spine . Cholecystectomy clips are present in the right upper quadrant of the abdomen .
    OUTPUT:
    
Mild interstitial pulmonary edema .