Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dense opacities within the lower lungs bilaterally likely correspond with known calcified pleural plaques as findings are similar to prior examination from ___ . No superimposed confluent consolidation is identified . Lungs remain hyperexpanded . A punctate metallic object within the left lung apex is unchanged from prior . A catheter projects over the right lung and right upper abdomen and is likely external to the patient , correlate clinically . Cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Diffuse calcified pleural plaques similar to prior examination and consistent with asbestos exposure . No superimposed acute process .