Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Direct comparison is made to the ___ radiograph and there is no interval change . Mild stable linear opacities in the right lower lobe are likely scar . No additional focal opacity , pneumothorax , pleural effusion , or pulmonary edema . Heart size , mediastinal contour and hila are normal . Mild degenerative change of the thoracic spine is noted without additional bony abnormality .
    OUTPUT:
    
1 . Stable right lower lobe linear scar . 2 . No pulmonary mass or nodule .