Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Again seen are biapical calcified nodular opacities . There is superior retraction of the hila , at least on the left suggesting component of scarring . Focal lucent region seen at the left lung apex as well as more dense opacity over the anterior right first rib as well . Inferiorly , the lungs are unchanged . The cardiomediastinal silhouette is unchanged . No acute osseous abnormalities .
    OUTPUT:
    
Biapical changes suggesting previous granulomatous disease , not significantly changed .