Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of focal consolidation . Biapical scarring is again noted . There is no pneumothorax . Cardiomediastinal silhouette is unchanged . Lower cervical fixation hardware again noted . No displaced fracture is seen .
    OUTPUT:
    
No definite acute cardiopulmonary process .