Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . A relative paucity of vasculature in the lung apices is suggestive of emphysema . The main pulmonary arteries are prominent . Atherosclerotic calcifications are seen within the aortic arch . A left - sided pacemaker is seen with wires terminating in the right atrium and right ventricle . The heart size is normal .
    OUTPUT:
    
No acute cardiopulmonary process .