Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to the prior study from ___ . Also compared to the prior CT from ___ . There is again seen hyperexpansion and pleural - based calcified densities bilaterally consistent with patient 's known asbestos exposure . There is scarring within the lung apices , which appear more prominent within the left upper lobe . No definite consolidation is identified . Heart size is within normal limits .
    OUTPUT:
    
1 . More confluent opacity in the left upper lobe since prior . 2 . Pleural plaques and hyperexpansion compatible with patient 's known asbestos exposure .