Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate top normal cardiac size . The mediastinal and hilar contours are within normal limits . Atherosclerotic calcifications are seen in the aortic arch . The lungs are well aerated without pneumothorax , vascular congestion , or pleural effusion .
    OUTPUT:
    
No acute cardiopulmonary process .