This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
The treatment of anaplastic carcinoma of thyroid is 
Select and explain. 
A. Total thyroidectomy, B. Palliative radiotherapy, C. Radioactive Iodine, D. Tracheostomy
B: Palliative radiotherapy
Answer: B: Palliative radiotherapy 
Explanation: None