Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph demonstrates a feeding tube descending and an uncomplicated course its terminal and not visualized . A left PICC terminates in the right atrium . If desired , this line can be withdrawn 3 cm for repositioning with confidence within the low superior vena cava . There is persistent left lower lobe atelectasis with mediastinal shift unchanged when compared to chest film dated ___ . The right lung remains clear . There are no new focal consolidations . Heart size is normal . No vascular engorgement or pleural effusion . No pneumothorax .
    OUTPUT:
    
No new focal consolidation . Persistence unchanged left lower lobe atelectasis with mediastinal shift . Left PICC terminates in the right atrium . Withdraw 3 cm for repositioning with confidence within the low superior vena cava .