Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . The mediastinal contours are unremarkable . Note is made of calcification at the aortic arch . Bilateral linear opacities reflect scarring , unchanged since ___ . No new focal consolidations concerning for infection is identified . No pneumothorax or pleural effusion is identified . Note is made of mild prominence of main pulmonary artery , suggesting underlying pulmonary hypertension . There is a stable small left pleural effusion .
    OUTPUT:
    
No new focal consolidations concerning for infection identified . No evidence of pulmonary edema .