Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , again seen are bilateral middle to lower lung somewhat nodular opacities . The appearance may be slightly progressed when compared to previous exam from ___ . There is no significant pleural effusion . Cardiac silhouette is mildly enlarged . Chronic nonunion and pseudoarthrosis of the right clavicular fracture is again seen . PEG tube projects over the upper abdomen .
    OUTPUT:
    
Persistent mid to lower lung nodular opacities which have likely progressed since ___ which could represent worsening aspiration or infection .