Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal lateral views of the chest were obtained . Heart size and cardiomediastinal contours are normal . The lungs are clear . No focal consolidation , pleural effusion or pneumothorax . Calcification of two of three expected arch vessels is similar to prior . No radiopaque foreign body .
    OUTPUT:
    
No acute cardiopulmonary process .