Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were provided . Lungs are clear without focal consolidation , pleural effusion , or pneumothorax . The heart size is top normal . A pacemaker is in place with leads in the right atrium and right ventricle . The imaged upper abdomen is unremarkable . Bones are intact .
    OUTPUT:
    
Top normal heart size , otherwise unremarkable study .