Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal hilar contours are normal . There is no pleural effusion or pneumothorax . The lungs are clear without focal consolidation concerning for pneumonia . There are no displaced rib fractures or other acute osseous abnormality . The upper abdomen is unremarkable .
    OUTPUT:
    
No chest radiographic evidence of acute , displaced rib fracture or pneumothorax .