Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac and mediastinal contours are normal . The lungs are clear . No pleural effusion or pneumothorax is present . Minimal bi-apical thickening is present . There are no acute osseous abnormalities . No radiopaque foreign bodies are present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .