Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were provided . Compared to the most recent prior radiograph there is no significant change . Patient is rotated . There is subtle opacity at the right lung base which is most likely scarring . There is no focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
No significant change from prior study .