This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Surgery
[{'content': 'Most common oral cancer; \nSelect and explain. \nA. Squamous cell ca, B. Adenocarcinoma, C. Transition cell ca, D. Mucoepidermoid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: MC histological type- Squamous cell ca MC type of cancer in India - CA oral cavity MC site of CA Oral cavity - Tongue > lip IOC for Dx - Edge Biopsy', 'role': 'assistant'}]