FINDINGS:
Mild emphysema involving the biapical lung is unchanged.  Linear bibasilar
 atelectasis is present.  The cardiomediastinal and hilar silhouette is normal.
 No evidence of pneumothorax, pleural effusion, or focal consolidation.

IMPRESSION:
1.  No focal consolidation, pneumothorax, or pleural effusion.
 2.  Bibasilar atelectasis.