Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . Relative elevation of left hemidiaphragm is unchanged . The cardiomediastinal silhouette is within normal limits given relatively low lung volumes . Dense atherosclerotic calcifications are noted at the arch . There no visualized displaced fractures . Surgical clips in the right upper quadrant suggest prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .