FINAL REPORT
 HISTORY: Acute hypoxia.
 
 TECHNIQUE: Single AP upright portable view of the chest.
 
 COMPARISON: ___.
 
 FINDINGS:
 
 The patient has background of chronic pulmonary fibrosis. The cardiac silhouette is enlarged. The mediastinum is also prominent but is slightly eccentric by the AP technique and relatively low lung volumes. There is blunting
