Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine portable AP view of the chest provided . Right IJ central venous catheter is seen with its tip residing in the mid SVC region . The lungs are clear . No pneumothorax or effusion . Cardiomediastinal silhouette appears grossly unremarkable . No bony abnormalities .
    OUTPUT:
    
Adequate positioning of right IJ central venous catheter .