Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright portable chest radiograph was provided . Clips are noted in the mid chest . There is mild pulmonary edema without sizable effusions . Lung volumes are low . Heart size can not be assessed . The mediastinal contour is grossly within normal limits . The bony structures are intact .
    OUTPUT:
    
Limited study with pulmonary edema noted .