Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bilateral calcified pleural plaques with some regions projecting over the hemidiaphragms bilaterally as well as overlying the midlung bilaterally . These plaques somewhat obscure the underlying lung parenchyma although there is no large confluent consolidation . There is no effusion or edema . The cardiomediastinal silhouette is within normal limits for technique . No acute osseous abnormalities .
    OUTPUT:
    
Bilateral calcified pleural plaques suggesting prior asbestos exposure . No definite superimposed acute cardiopulmonary process .