Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , multifocal patchy opacities are seen in the bilateral lungs , right greater than left , concerning for asymmetric pulmonary edema , although superimposed pneumonia can not be excluded . Moderate bibasilar and retrocardiac atelectasis is noted . The lung volumes are low . Enlarged heart size is unchanged . No pneumothorax .
    OUTPUT:
    
Multi focal opacities in the bilateral lungs , right greater than left , are concerning for asymmetric pulmonary edema , although superimposed pneumonia can not be excluded in the appropriate setting .