Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient positioning is suboptimal . Lungs are hyperexpanded , with flattening of the hemidiaphragms and widening of the retrosternal clear space / anteroposterior diameter . Lung volumes are low , with discoid atelectasis in the right mid lung . There is no focal consolidation . Heart size is at the upper limits of normal . The aorta is tortuous and calcified . There are no pleural effusions , pneumothorax , or pneumomediastinum . No free air is seen under the diaphragm . Thoracic hypokyphosis is present . There is posterior fusion hardware in the lower thoracic and lumbar spines , with continued fracturing at the thoracolumbar junction .
    OUTPUT:
    
1 . Low lung volumes and chronic obstructive airways disease . 2 . Chronically fractured thoracolumbar fusion hardware .