Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stable bilateral low lung volumes with stable bibasilar and right upper lobe atelectasis . There has been an overall improvement in the pulmonary edema identified on the ___ study . No pleural effusions definitively identified . cardiomediastinal contours are unchanged .
    OUTPUT:
    
Resolved pulmonary edema . Stable low lung volumes and atelectasis .