Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two views of the chest . Extremely low lung volumes are seen , particularly on the frontal view with crowding of the bronchovascular markings . The lungs are clear of confluent consolidation or effusion . The cardiomediastinal silhouette is within normal limits given differences in technique . No acute osseous abnormalities identified .
    OUTPUT:
    
No acute cardiopulmonary process .