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 . The mediastinum is not widened . No displaced rib fracture is seen .
    OUTPUT:
    
No acute cardiopulmonary process . Clear lungs . If high clinical concern for subtle fracture , CT is more sensitive .