Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . The lungs are clear of focal consolidation , effusion or pneumothorax . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality detected . Prior presumably posttraumatic changes seen at the right humerus . Old healed right lateral 9th rib fractures identified .
    OUTPUT:
    
No acute cardiopulmonary process .