Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The image was obtained in lordotic position somewhat limiting evaluation . The lungs appear well expanded and clear . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette , hilar contours and pleural surfaces are normal . There is S - shaped curvature of the thoracic spine . The included osseous structures are grossly intact .
    OUTPUT:
    
No evidence of acute cardiopulmonary abnormality .