Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates a normal cardiomediastinal silhouette . There is little overall change compared to prior exam approximately 7 hours prior , as well as the day prior . There is no new focal consolidation . Pleural effusions are minimal , if any . There is no appreciable pneumothorax .
    OUTPUT:
    
Little overall change compared to prior exam .