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
Treatment of choice in cold nodule of thyroid 
Select and explain. 
A. Sub-total thyroidectomy, B. I-131, C. Hemithyroidectomy, D. Excision of nodule
C: Hemithyroidectomy
Answer: C: Hemithyroidectomy 
Explanation: None