Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low which causes crowding of bronchovascular structures . No focal opacity , pleural effusion or pneumothorax is identified . The heart size is likely normal . The mediastinal contours are normal . No rib fracture is identified .
    OUTPUT:
    
No rib fracture is identified . If there are focal areas of pain dedicated views of those areas are recommended .