Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , lingular pneumonia is not changed , which may be due to superimposed fibrosis or prominent vasculature . The lungs are otherwise clear with normal volumes . The cardiomediastinal silhouette , hilar contours , pleural surfaces are normal . No pneumothorax or pleural effusion . No new focal consolidations are appreciated .
    OUTPUT:
    
Unchanged lingular opacification may be due to superimposed fibrosis or prominent vasculature . No new focal consolidations .