Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . This limits assessment of the lung bases where there are mild bibasilar streaky opacities . The heart size is normal . Mediastinal and hilar contours are unremarkable . There is no pulmonary vascular congestion , focal consolidation , pleural effusion or pneumothorax . There are no acute osseous abnormalities visualized .
    OUTPUT:
    
Low lung volumes with probable bibasilar atelectasis .