Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Bilateral pleural calcifications and diaphragmatic plaques are seen . No focal consolidation is seen . There is no pleural effusion or pneumothorax . Patient is status post aortic valve replacement . Cardiac silhouette is top normal . The aorta is calcified .
    OUTPUT:
    
Bilateral calcified pleural plaques suggest prior asbestos exposure . No acute cardiopulmonary process .