Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . A left arm access PICC line is seen with its tip in the low SVC . The lung volumes are low with lower lung atelectasis . No definite signs of pneumonia . No effusion or pneumothorax . Heart size and mediastinal contour appear normal . Bony structures are intact .
    OUTPUT:
    
Appropriately positioned PICC line . Lower lung atelectasis noted .