Which of the following is not removed in radical neck dissection
Sternocleidomastoid muscle
Digastric muscle
Spinal accessory nerve
Internal jugular vein
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.