Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the study of ___ , there is again hyperinflation of the lungs that raises the possibility of underlying chronic pulmonary disease . Nodular opacities in the lingula are stable since ___ . There are new foci nodular opacities in the right upper lobe since ___ .
    OUTPUT:
    
Chronic changes in the lingula likely reflect scarring . Right upper lobe nodular opacities new since ___ can be acute airway inflammation / infection .