Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . There is a right IJ central venous catheter with its tip in the region of the cavoatrial junction . The lungs are clear without focal consolidation , large effusion or pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Right IJ central venous catheter positioned appropriately .