Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable AP chest radiograph . The lungs are well expanded and clear . There is no focal consolidation , effusion or pneumothorax . Cardiac and mediastinal contours are normal . Cholecystectomy clips project over the right upper quadrant . There is no pneumoperitoneum .
    OUTPUT:
    
Normal chest radiograph .