Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Despite low lung volumes , the lungs are clear . There is no evidence of consolidation , effusion or pneumothorax . The cardiomediastinal silhouette is normal . No acute osseous abnormality is identified . No free air below the diaphragm .
    OUTPUT:
    
No acute cardiopulmonary process .