Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided PICC is curled in the azygos vein . Right - sided Swan - Ganz catheter has been removed . The lungs are clear . Mild small effusions . Moderate cardiomegaly . No new acute consolidation . No pneumothorax .
    OUTPUT:
    
Left - sided PICC is in the azygos vein .