Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . Bibasilar atelectasis is unchanged . There is no focal consolidation , effusion or pneumothorax . Prior CT confirms that the mediastinal contour is widened by large mediastinal fat pad . Sternal wires are intact .
    OUTPUT:
    
No acute cardiopulmonary process .