Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Biapical scarring is again seen , more extensive on the left than on the right . The lungs are otherwise clear . Cardiomediastinal silhouette is within normal limits . There is no free intraperitoneal air . Surgical clips project over the left lateral chest wall .
    OUTPUT:
    
No acute cardiopulmonary process . No free intraperitoneal air .