Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph , there has been no significant change . There is no focal consolidation , pleural effusion , or pneumothorax . Prominent interstitial markings with scarring at the apices , worse at the right , are unchanged . Linear opacities at the bases may represent atelectasis or scarring . Cardiomediastinal silhouette is unchanged . Osseous structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Unchanged diffuse reticular opacities and scarring .