Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . An area of scarring in the right lower lung appears unchanged . Remainder both lungs appear relatively clear . Cardiomediastinal silhouette is stably prominent . No pneumothorax . Chronic right upper rib cage deformity and chronic changes related to vertebroplasty in the lower T - spine .
    OUTPUT:
    
No convincing evidence for pneumonia or edema .