Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Right IJ central venous catheter is again seen with its tip in the region of the low SVC . Lungs are clear . Multiple old rib cage deformities as well as deformities of both clavicles again noted . No pleural effusion or pneumothorax . Cardiomediastinal silhouette stable .
    OUTPUT:
    
Right IJ central venous catheter tip in the low SVC .