Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . The pulmonary vascular is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . Interposition of the right colon between the diaphragm and liver is incidentally noted . There is diffuse idiopathic skeletal hyperostosis . Old left - sided rib fractures are re - demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .