Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are unremarkable . Lung volumes are low which results in crowding of bronchovascular structures . No overt pulmonary edema is present . Minimal atelectasis is seen in the lung bases . No focal consolidation , pleural effusion or pneumothorax is detected . Clips project over the left axilla . No acute osseous abnormality is visualized . Anterior cervical spinal fusion hardware is incompletely assessed .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis . No focal consolidation .