Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Upper lobe predominant fibrotic changes are seen in the right greater than left similar when compared to prior . The lungs are clear of consolidation or effusion . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications seen at the aortic arch . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary process .