Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate posterior fusion hardware in the lower thoracic and lumbar spine , with overlying skin ___ posteriorly . The lungs are well expanded and clear . The cardiomediastinal silhouette is unremarkable . There is no pleural effusion , pulmonary edema , pneumothorax or focal airspace consolidation . Air-filled loops of bowel are noted in the left upper quadrant , possibly due to ileus in the recent post-operative setting .
    OUTPUT:
    
No acute cardiopulmonary pathology . Post - surgical changes from spinal fusion .