Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . There is no of pleural effusion or pneumothorax . The cardiomediastinal silhouette is stable . There is no evidence of pulmonary vascular congestion . There is a moderate hiatal hernia which is unchanged in appearance . Healed right rib fractures are chronic and unchanged . There is marked kyphotic curvature of the lower thoracic spine with diffuse demineralization unchanged from prior exam . Spinal fixation hardware is seen in the lower thoracic and lumbar spine as well as vertebroplasty cement .
    OUTPUT:
    
No evidence of pneumonia . No significant change in chronic findings .