Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted . There is no focal consolidation , effusion , or edema . Scarring versus prominent extrapleural fat seen at the left lateral lung base , unchanged . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities , old healed left lateral rib fractures are noted .
    OUTPUT:
    
No acute cardiopulmonary process .