FINDINGS:
The lungs are clear without consolidation or edema.  An ill-defined
 density projecting adjacent to the cardiac apex is likely nipple shadow. 
 Mediastinum is unremarkable.  The cardiac silhouette is within normal limits
 for size.  No effusion or pneumothorax is noted.  The visualized osseous
 structures are unremarkable.

IMPRESSION:
No acute pulmonary process.