Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are stable , consistent with a tortuous thoracic aorta . The bilateral hila are unremarkable . Right perihilar and medial left upper lobe scarring is unchanged . The lungs are otherwise clear without focal consolidation . There is no pulmonary vascular congestion or pulmonary edema . There is no pneumothorax or pleural effusion . There is no evidence of a displaced rib fracture .
    OUTPUT:
    
No acute cardiopulmonary process . No evidence of displaced rib fracture .