Surgery Structures not removed in radical neck dissectiona) X nerveb) X1 nervec) Tail of parotidd) Parotid and post-auricular nerve A acd B bc C bd D ac 💡 Explanation Structures not removed in radical neck dissectiona) X nerveb) X1 nervec) Tail of parotidd) Parotid and post-auricular nerve ✓ Correct Answer: A. acd