Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Biapical opacities are identified , left greater than right . Although these were present on prior , they appear somewhat more extensive on the left when compared to prior exams , extending more inferiorly . Elsewhere the lungs are clear . The cardiomediastinal silhouette is within normal limits and unchanged . No acute osseous abnormalities identified .
    OUTPUT:
    
Normal cardiomediastinal silhouette . Biapical opacities which are likely in part due to scarring however the now appear more extensive on the left . Dedicated chest CT is suggested on a nonemergent basis to further assess .