Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are somewhat low . There is mild elevation of the right hemidiaphragm as demonstrated previously . There are scattered opacities consistent with parenchymal scarring and possibly calcified granulomas . There Is no apparent focal consolidation . The heart is within normal limits in size . The aorta is calcified . Mediastinal structures are stable . The bony thorax is grossly intact . There is no significant change .
    OUTPUT:
    
No active pulmonary disease .