Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted . The lungs are grossly clear without consolidation , effusion , or vascular congestion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities identified . Deformities of the left lateral ribs are chronic .
    OUTPUT:
    
No acute cardiopulmonary process .