Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are unchanged , with the cardiac silhouette size at the upper limits of normal . Right subclavian vascular stent is unchanged . The lungs are clear and the pulmonary vascularity is normal . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .