Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Spinal hardware is noted . Unremarkable appearance of the cardiomediastinal silhouette . No cardiomegaly . No pleural effusion . No pneumothorax . Minimal atelectasis or scarring at the lung bases . Lung fields are otherwise clear .
    OUTPUT:
    
No acute cardiopulmonary abnormality .