Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the left PICC . The heart and mediastinal contours are within normal limits . The lung volumes are low with minimal bibasilar atelectasis but no lobar consolidation . Mild - to - moderate pulmonary edema is present . There is no pleural effusion or pneumothorax . No displaced rib fracture is identified .
    OUTPUT:
    
Low lung volumes and mild - to - moderate pulmonary edema .