Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there has been no significant change . Lung volumes remain low with crowding of the vascular structures . Moderate cardiomegaly is unchanged . There is moderate to severe pulmonary edema with bilateral pleural effusions and bibasilar atelectasis . There is no pneumothorax .
    OUTPUT:
    
Unchanged radiographic examination with moderate - to - severe pulmonary edema .