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: ENT
[{'content': 'Early maxillary carcinoma presents as: \nSelect and explain. \nA. Bleeding per nose, B. Supraclavicular lymph node enlargement, C. Tooth pain, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A Bleeding per nose Early features of maxillary carcinoma are blood stained nasal discharge, nasal stuffiness, facial pain or paresthesias, and epiphora.', 'role': 'assistant'}]