Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Improved aeration seen on the current exam , the lungs are clear without consolidation , effusion or pneumothorax . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is identified . Surgical clips in the upper abdomen are noted .
    OUTPUT:
    
No acute cardiopulmonary process .