This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plastic & Reconstructive Surgery, Subject name: Surgery
[{'content': 'What is the name of this flap shown here? \nSelect and explain. \nA. Rhomboidal Flap, B. Rotational Flap, C. Transposition Flap, D. Advancement Flap', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Rhomboidal FlapRef: Schwartz Page 1833/10th Edition* Rhomboid (Limberg Flap): Another type of Transposition flap which can be used in many places. Very commonly used in Pilonidal Sinus Surgery.', 'role': 'assistant'}]