Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Dual lead pacemaker again seen with leads extending to the region the right atrium and right ventricle . The heart is mildly enlarged . The lungs are clear without focal consolidation effusion or pneumothorax . Imaged osseous structures appear intact .
    OUTPUT:
    
Stable mild cardiomegaly . Otherwise unremarkable .