Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided demonstrate interval worsening of pulmonary edema with lower lobe opacities , which could represent atelectasis . A retrocardiac opacity with an air - fluid level is compatible with a hiatal hernia . There are no large effusions . No pneumothorax is seen .
    OUTPUT:
    
Interval worsening of pulmonary edema .