Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits . There is no evidence of acute displaced rib fracture . No free subdiaphragmatic air is identified .
    OUTPUT:
    
No acute cardiopulmonary process . Specifically , no evidence of displaced rib fracture .