Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The mediastinal and hilar contours are normal . Lungs are clear , and the pulmonary vascularity is normal . No focal consolidation , pleural effusion or pneumothorax is visualized . Compared to the prior study , the airway is no longer deviated to the right , and several clips are noted within the left neck and superior mediastinum compatible with interval left hemithyroidectomy .
    OUTPUT:
    
No acute cardiopulmonary abnormality .