Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . Calcification is noted along the aortic arch . Bilaterally , calcified pleural plaques suggest prior asbestos exposure . Plaques obscure visualization of parenchymal detail to some extent , but there is no convincing evidence for parenchymal abnormality . Slight blunting of the right costophrenic angle may indicate a trace pleural effusion . There is no evidence for pleural effusion on the left . The bones appear demineralized . Each acromioclavicular joint shows moderate degenerative change .
    OUTPUT:
    
Calcified pleural plaques , usually associated with prior asbestos exposure . No evidence of acute cardiopulmonary disease .