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
[{'content': 'Abbe- Estlander Flap is used for: \nSelect and explain. \nA. Lip, B. Tongue, C. Eyelid, D. Ears', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e. Lip A flap is a skin graft which has its own blood supply. (Normally a skin graft to survive is revascularized by the recipient bed. A flap has its own blood supply.) Abbey flap is used for Lip reconstruction. It is based on main aery of the orbicularis oris, the labial aery.", 'role': 'assistant'}]