Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are relatively hyperinflated . Biapical scarring is noted . The lungs are clear of consolidation , effusion or pulmonary vascular congestion . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted at the aortic arch . No acute osseous abnormality detected .
    OUTPUT:
    
No acute cardiopulmonary process .