Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . No acute osseous abnormality is seen . Contrast from recent CT exam is noted within the collecting systems bilaterally .
    OUTPUT:
    
Unremarkable chest radiographic examination . No displaced rib fracture seen ; if there is continued concern for a rib fracture , then a dedicated rib series is recommended .