Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided PICC tip terminates at the SVC / right atrial junction . Lung volumes are low . Heart size is mildly enlarged , unchanged . Mediastinal and hilar contours are similar . Subsegmental atelectasis is noted within the right mid lung field . No focal consolidation , pleural effusion or pneumothorax is present . Patient is status post T7 through T10 spinal fusion .
    OUTPUT:
    
Left - sided PICC tip at the SVC / right atrial junction .