Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the left subclavian PICC line is angulated posteriorly consistent with placement in the azygos vein . No pneumothorax is detected . No focal consolidation or effusion is identified . Cardiac and hilar contours are unchanged from previous .
    OUTPUT:
    
Left subclavian PICC line tip is again located within the azygos vein