Q. In the thorax: (Solved)
1. the inlet is bounded by the scapulae, clavicles and sternum
2. the inferior border of the superior mediastinum is level with T4
3. the right phrenic nerve passes through the oesophageal opening
4. the left phrenic nerve passes through the oesophageal opening
5. the thoracic duct passes through the canal opening
- b. the inferior border of the superior mediastinum is level with T4