Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no significant change since the prior study . The cardiac and mediastinal silhouettes are stable . Hilar contours are stable . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The mediastinum is not widened . No displaced fracture is seen .
    OUTPUT:
    
No significant interval change .