Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post coronary artery bypass graft surgery . A vascular stent projects along the aortopulmonary window . There is also a vascular stent projecting immediately above the aorta , perhaps along the course of the left carotid artery . Chain suture material projects along the right costophrenic sulcus . The heart is normal in size . The mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . Minimal atelectasis is noted at the left base . Mild degenerative changes are noted along the mid - to - lower thoracic spine .
    OUTPUT:
    
No evidence of acute disease .