Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest provided . A left atrioventricular pacemaker is continuous with leads terminating in the right atrium and right ventricle . A right central venous catheter ends at the cavoatrial junction . A small right pleural effusion and moderate right lower lobe atelectasis with mild rightward mediastinal shift are unchanged . No pneumothorax . Hilar contours are normal .
    OUTPUT:
    
1 . A left atrioventricular pacemaker is continuous with leads terminating in the right atrium and right ventricle . 2 . A small right pleural effusion and moderate right lower lobe atelectasis with mild rightward mediastinal shift are unchanged from ___ .