Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes seen on the current exam . The lungs are grossly clear . Cardiomediastinal silhouette is stable . S - shaped thoracolumbar scoliosis is again identified . There is fracture of a the lumbar pedicle screw as seen on prior . New from prior however , is a fracture of the left - sided transfixing rod just below the most superior pedicle screw .
    OUTPUT:
    
No acute cardiopulmonary process . Interval fracture of the rod just inferior to the superior most pedicle screw on the left .