Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Diffuse emphysema is evident with flattening of diaphragms . Right lower lobe reticular opacities could be acute infection in the setting of severe emphysema . The left lung is essentially clear . Old rib fractures are noted in bilateral posterior ribs at multi-levels . The cardiomediastinal silhouette and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . On review of a CT from ___ , adjacent to the right lower lobe bronchus ( 2 :31 ) , is a calcified lymph node that could become a broncholith , although it has not migrated since at least ___ .
    OUTPUT:
    
Right lower lung reticular opacities concerning for acute infection in the setting of severe emphysema .