Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Left IJ central venous catheter is seen with its tip terminating in the mid SVC region . No pneumothorax . Lungs are clear . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact .
    OUTPUT:
    
No acute intrathoracic process left IJ central venous catheter positioned appropriately .