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| 1. Review the bony landmarks. |
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| 2. Locate the accessory nerve and the roots of the cervical plexus. |
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| 3. Follow the internal jugular vein to its termination noting its tributaries. |
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| 4. Look for deep cervical lymph nodes and find the thoracic duct on the left. |
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| 5. Dissect the root of the neck to expose the subclavian arteries and their branches, the cervical sympathetic trunk and its ganglia, and the recurrent laryngeal nerve. |
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| 6. Cut the anterior scalene muscle to expose the costocervical trunk, the roots of the brachial plexus and nerves arising from them. |
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