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 rib fracture is identified .
    OUTPUT:
    
No acute cardiopulmonary process . No displaced rib fracture is identified ; however , if high clinical concern for rib fracture persists , dedicated rib series or CT is more sensitive .