Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No evidence of displaced sternal or rib fractures . The heart size is top normal . The mediastinal and hilar contours are unremarkable . Lungs are grossly clear without focal consolidation concerning for pneumonia or evidence of pneumothorax .
    OUTPUT:
    
No evidence of displaced sternal or rib fractures . If a sternal fracture remains of clinical concern , further imaging with CT could be undertaken .