Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment is slightly limited due to patient rotation . Allowing for this , the cardiac silhouette size appears borderline enlarged , unchanged . The mediastinal and hilar contours are grossly similar with mild atherosclerotic calcifications noted at the aortic knob . The pulmonary vasculature is normal . The lungs are clear . No pleural effusion or pneumothorax is demonstrated . Dextroscoliosis of the thoracic spine is re - demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .