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': 'Functional adrenal incidentaloma of size is managed by \nSelect and explain. \nA. Laparoscopic adrenalectomy, B. Observation and biannual hormonal evaluation, C. Palliative management using mitotane, D. Chemotherapy using vineristine, Cyclophosphamide', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Management of adrenal incidentaloma :', 'role': 'assistant'}]