Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . The lungs are clear , there is no pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The cardiomediastinal and hilar silhouettes are within normal limits . The trachea is midline . No acute displaced or healed rib fractures are identified . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute displaced or healed rib fractures based on a nondedicated exam .