Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral fibrotic changes again seen . Calcified pleural plaques are also noted . No new focal consolidation is seen , and the heart is mildly enlarged . Calcifications are noted at the aortic knob .
    OUTPUT:
    
No acute cardiopulmonary process , though evaluation is limited secondary to fibrotic changes and pleural plaques .