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
Odontogenic tumors just 1cm away from lower border 
Select and explain. 
A. Enbloc resection, B. Hemi mandibulectomy, C. Enucleation, D. None
A: Enbloc resection
Answer: A: Enbloc resection 
Explanation: None