Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stable , extensive bilateral opacities representing calcified pleural plaques and calcified diaphragmatic pleura suggest previously identified asbestos - related disease . Normal cardiomediastinal and hilar contours . No pneumothorax , pleural effusion , or acute pneumonia . No definite osseous or soft tissue abnormalities .
    OUTPUT:
    
No acute pneumonia .