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 stable . Aorta is tortuous . The mediastinum is not widened . The hilar contours are stable . Evidence of prior posterior right 7th rib fracture is seen .
    OUTPUT:
    
No acute cardiopulmonary process . The mediastinum is not widened .