Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . The lungs are clear and the pulmonary vascularity is normal . No pneumothorax or pleural effusion is present . There is no free air under the diaphragms . No acute osseous abnormality is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No free air noted under the diaphragms on this semi-upright AP view .