Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . No displaced fracture identified . Mild degenerative changes noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process . No displaced fracture identified . If there is continued clinical concern for a rib fracture , a dedicated rib series could be obtained .