Which of the following is not removed in radical neck dissection
(A) Sternocleidomastoid muscle (B) Digastric muscle (C) Spinal accessory nerve (D) Internal jugular vein
(B) Answer- B. Digastric muscle* The radical neck dissection consists of removal of all five lymph node groups of one side of the neck (levels I-V).* This includes removal of the sternocleidomastoid muscle, the internal jugular vein, and the spinal accessory nerve.