Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal shadow unchanged . Unfolding of the thoracic aorta with associated atherosclerotic changes . Mild increase in pulmonary vascular and peripheral interstitial markings . Left basal atelectasis . Nonspecific soft tissue density seen in the right superior mediastinum .
    OUTPUT:
    
Mild interval progression of the pulmonary edema . Left basal atelectasis is unchanged .