FINDINGS:
A tracheal and bilateral bronchial stents are again visualized, unchanged in
 position from the prior examination.  The lungs are well expanded and clear
 without focal consolidation, pleural effusion, pneumothorax, or pulmonary
 edema.  The cardiomediastinal silhouette is unchanged from prior examination.

IMPRESSION:
No acute cardiopulmonary process.  Stable positioning of  tracheobronchial
 stents.