Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph demonstrates bilateral low lung volumes with interval resolution of pulmonary edema . Bibasilar atelectasis is evident as well as bandlike atelectasis in the right upper lobe and retrocardiac region . Cardiomegaly is stable . The appearance of widened mediastinum is decreased compared to prior study and is likely exaggerated by low lung volumes .
    OUTPUT:
    
Resolved pulmonary edema .