Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No confluent opacity is identified . There is no pulmonary edema or pleural effusion . Cardiomediastinal and hilar contours are within normal limits . No pneumothorax or pneumomediastinum is evident . There is no subdiaphragmatic free air . The lap band appears to be well positioned within the left upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary process .