Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Right - sided Port - A - Cath tip terminates at the junction of the SVC and right atrium . The heart size is borderline enlarged but unchanged . Atherosclerotic calcifications of the aortic knob are noted . Mediastinal and hilar contours are stable . Mild bibasilar atelectasis is noted with a trace amount of fluid versus thickening demonstrated in the minor fissure . No large pleural effusion or pneumothorax is demonstrated . Spinal fusion hardware is partially imaged within the mid and lower thoracic spine .
    OUTPUT:
    
Mild bibasilar atelectasis .