Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Streaky linear opacities in the right lower lobe with slight elevation of the right hemidiaphragm is somewhat similar the prior exam and ___ and may reflect atelectasis and perhaps some degree of scarring . No focal consolidation , effusion , edema , or pneumothorax . The cardiomediastinal silhouette is unchanged . Hilar contours are also similar the prior exam . No acute osseous abnormality .
    OUTPUT:
    
Right lower lobe atelectasis , similar to the prior exam .