Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . Lungs are clear of focal consolidation or effusion . Biapical scarring , right greater than left is as on prior exam . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .