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: Pharmacology
[{'content': 'Neoadjuvant chemotherapy is used in all except : \nSelect and explain. \nA. Esophageal carcinoma, B. Breast carcinoma, C. Thyroid carcinoma, D. Non–small cell carcinoma of lung', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]