MCQOPTIONS
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				| 1. | 
                                    In the superior mediastinum | 
                            
| A. | The apex of the left lung abuts the trachea | 
| B. | The left vagus is in contact with the trachea | 
| C. | The right phrenic descends in contact with SVC | 
| D. | The azygos vein hooks under the right main bronchus | 
| E. | SVC runs posterior to the right main bronchus | 
| Answer» D. The azygos vein hooks under the right main bronchus | |