Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , there has been no significant interval change . Blunting of the lateral costophrenic angles is likely due to pleural thickening in the setting of prior pleurodesis . Increased interstitial markings at the lung bases , right greater than right are also unchanged . Superiorly the lungs are clear . The cardiomediastinal silhouette is stable . No acute osseous abnormality .
    OUTPUT:
    
Pleural thickening without definite large superimposed effusion , similar to prior . Parenchymal changes , right greater than left are not definitely progressed since exam from ___ although subtle changes could easily be obscured .