Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Improved aeration noted on today 's exam when compared to prior . The lungs are clear without focal consolidation , edema , or effusion . There is no pneumothorax . The cardiomediastinal silhouette is within normal limits . Mild thoracic dextroscoliosis is noted . Anterior cervical fixation hardware is partially visualized .
    OUTPUT:
    
No acute cardiopulmonary process .