Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right internal jugular catheter terminates within the right atrium . A left pectoral pacemaker is partially imaged . The lungs are unchanged . Lung volumes remain low and there is no pneumothorax , pleural effusion or focal airspace consolidation . Cardiac silhouette is moderately enlarged with a calcified left ventricular aneurysm .
    OUTPUT:
    
Right IJ terminating in the right atrium , withdrawal by 6 cm would allow for positioning in the superior vena cava .