Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . Scattered ill - defined opacities throughout both lungs are consistent with pleural plaques as seen on prior chest CT from ___ , not significantly changed in overall appearance compared to the most recent radiograph from ___ . There is no focal consolidation . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen . Multilevel degenerative changes of the thoracolumbar spine are seen .
    OUTPUT:
    
1 . No acute cardiac or pulmonary process . 2 . Stable appearance of widespread calcified pleural plaques , consistent with prior asbestos exposure .