This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neoplasia, Subject name: Surgery
Treatment of choice for carcinoma of lip of less than 1 cm is: 
Select and explain. 
A. Radiation, B. Chemotherapy, C. Excision, D. Radiation and chemotherapy
C: Excision
Answer: C: Excision 
Explanation: Ans: c (Excision)Ref: Bailey & Love, 24th ed, p. 712 & 23rd ed, p. 644