Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a stable linear scar at the periphery of the right lower lobe . No new focal consolidations , pneumothorax , or pleural effusions are seen . There is an opacity in the right upper lobe , likely secondary to an enlarged thyroid causing ipsilateral compression , that has been stable since ___ . The heart size is normal . The hilar and mediastinal contours are normal .
    OUTPUT:
    
No acute abnormalities identified to explain patient 's persistent cough .