Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stents along the right subclavian and brachiocephalic veins are noted . The heart is mildly enlarged . The mediastinal and hilar contours appear unchanged . Streaky left basilar opacity is unchanged and consistent with minor atelectasis . Otherwise , the lungs appear clear . There are no pleural effusions or pneumothorax . Soft tissue calcifications are noted lateral to the chest on the right , not fully imaged , but probably unchanged and likely relating to the presence of an arteriovenous fistula .
    OUTPUT:
    
No evidence of acute disease .