Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , substantial improvement of the pulmonary edema and widespread lung opacification . No focal consolidation . Moderate cardiomegaly . No substantial pleural effusions . No pneumothorax . Right - sided IJ catheter terminates in the right atrium .
    OUTPUT:
    
Substantial interval improvement of the pulmonary edema .