Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . The mediastinal and hilar contours are unchanged . The pulmonary vascularity is normal . Minimal linear opacities in the left mid lung are compatible subsegmental atelectasis . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities . Clips are again noted within the neck compatible with prior thyroidectomy .
    OUTPUT:
    
No acute cardiopulmonary abnormality .