Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right internal jugular central venous catheter , terminating near the superior cavoatrial junction . No pneumothorax is identified . There is redemonstration of a left - sided pacemaker with associated right atrial and right ventricular leads . Minimal bilateral lower lung atelectasis is not significantly changed . Moderate cardiomegaly is not significantly changed . A large hiatal hernia is again seen .
    OUTPUT:
    
1 . New right internal jugular central venous catheter ends near the superior cavoatrial junction . No pneumothorax . 2 . Unchanged moderate cardiomegaly . 3 . Large hiatal hernia , as before .