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: Gynaecology & Obstetrics
[{'content': 'Most common histopathological variety of carcinoma vulva ? \nSelect and explain. \nA. Squamous cell carcinoma, B. Basal cell carcinoma, C. Adenocarcinoma, D. Lymphoma', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e.,Squamous cell carcinomaSquamous cell carcinomas are the most common histological type accounting for 85% of all vulval cancers.", 'role': 'assistant'}]