Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to previous exam , there has been no significant interval change . Elevation the right hemidiaphragm is again noted . Blunting of the right lateral costophrenic angle could be due to pleural based scarring . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No significant interval change . Right lateral pleural based scarring . No definite superimposed acute cardiopulmonary process .