Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette and fairly well - aerated lungs . Again seen is biapical scarring , right greater than left , and unchanged right upper lobe nodular opacities . No focal consolidation , pleural effusion , or pneumothorax is seen . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
Unchanged sequela of prior TB infection , including biapical scarring and scattered right upper lobe predominant nodular opacities . No new evidence of TB infection .