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
Carcinoma tongue less than 2 cm is treated by 
Select and explain. 
A. Excision, B. Radiotherapy, C. Chemotherapy, D. Excision and Radiotherapy
A: Excision
Answer: A: Excision 
Explanation: Ans. is 'a' i.e., Excision