This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'A 50 yr old male with history of chronic smoking and alcohol intake presents with a lesion (shown in pic) in the oral cavity. What is the most probable diagnosis? \nSelect and explain. \nA. Ranula, B. Erythroplakia, C. Carcinoma tongue, D. Cancrum oris', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Exophytic SCC right lateral margin of tongue. Most common site of Oral cavity malignancy.', 'role': 'assistant'}]