Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . No consolidation , effusion common pneumothorax . The heart is normal in size . The mediastinum is not widened . The hilar contours are within normal limits . No acute osseous abnormality . Multi - level degenerative changes including prominent anterior osteophytes are noted in the thoracic spine with probable diffuse idiopathic skeletal hyperostosis .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . Diffuse idiopathic skeletal hyperostosis .