Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been little interval change in comparison to the prior study . The lungs are clear with no evidence of a consolidation , effusion or pneumothorax . Cardiac and mediastinal silhouettes are normal . Atherosclerotic calcifications are again noted at the aortic arch . Diffuse idiopathic skeletal hyperostosis is noted throughout the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .