Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest . Heart size is top normal and mediastinal contours are stable . Moderate interstitial edema with probable tiny pleural effusions . Retrocardiac opacity could represent atelectasis or consolidation . No pneumothorax .
    OUTPUT:
    
Moderate pulmonary edema with retrocardiac opacity that could represent either atelectasis or consolidation .