Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Improved aeration is seen on the current exam . The lungs are clear . The cardiomediastinal silhouette is normal . No acute osseous abnormality is identified . Surgical clips in the right upper quadrant suggest prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .