Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right atrial and right ventricular pacemaker leads are contiguous from the left pectoral pacemaker and positioned appropriately , unchanged from ___ . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Unchanged positions of right atrial and right ventricular pacemaker leads