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: Unknown
True about Ackermans tumor Is 
Select and explain. 
A. It is a highly malignant tumor, B. Verrucous carcinoma of the larynx, C. Radiotherapy is the treatment of choice, D. Spreads via lymphatics in early stage itself
B: Verrucous carcinoma of the larynx
Answer: B: Verrucous carcinoma of the larynx 
Explanation: It is a low grade locally aggressive malignancy. Well differentiated squaumous cell carcinoma with very low metastasis rate.
Radiotherapy is contraindicated as it can produce anaplastic change.