Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well - expanded and clear . No pleural effusion . Moderate cardiomegaly is unchanged . Cardiomediastinal and hilar silhouettes are unremarkable . Dense aortic calcifications are noted . A a left pectoralis pacemaker with right atrial and right ventricular leads is unchanged .
    OUTPUT:
    
No evidence of acute cardiopulmonary abnormality .