Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Coarsened lung markings are likely secondary to chronic lung disease . Calcified pleural plaques layer on the bilateral hemidiaphragms and seen along the left pleura . Cardiomegaly and aortic arch calcifications are mild .
    OUTPUT:
    
1 . Calcified pleural plaques suggesting prior asbestos exposure . 2 . Low lung volumes . No definite focal consolidation .