Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single frontal portable radiograph of the chest was acquired . Suture chain is again seen throughout the right hemithorax . There is minimal right upper lung scarring . The lungs are otherwise clear . There are no pleural effusions . No pneumothorax is seen . The heart size is normal . The mediastinal contours are within normal limits .
    OUTPUT:
    
No acute cardiac or pulmonary process .