Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at least moderately enlarged , though difficult to accurately determine the size of due to the presence of a moderate right and small left pleural effusion . There is mild pulmonary edema . Bibasilar airspace opacities could reflect compressive atelectasis , but infection or aspiration can not be completely excluded . No pneumothorax is identified . No acute osseous abnormalities are seen .
    OUTPUT:
    
Mild pulmonary edema with moderate size right and small left bilateral pleural effusions . Bibasilar airspace opacities could reflect compressive atelectasis . Infection or aspiration at the lung bases however is not completely excluded .