Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . No focal consolidation , edema , effusion , or pneumothorax . The heart is normal in size . The mediastinum is not widened . No acute osseous abnormality . No subdiaphragmatic free air .
    OUTPUT:
    
No subdiaphragmatic free air . No acute cardiopulmonary process .