Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen . The bony thorax is grossly intact .
    OUTPUT:
    
1 . No acute cardiac or pulmonary findings . 2 . Grossly intact bony thorax . If there is persistent concern for a rib fracture , further evaluation could be performed with a dedicated rib series , including an appropriately placed radiopaque skin marker .