This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
[{'content': 'Neoadjuvant chemotherapy is used in all except (REPEAT) \nSelect and explain. \nA. Esophagal carcinoma, B. Breast carcinoma, C. Thyroid carcinoma, D. Non small cell carcinoma of lung', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Thyroid carcinomas ate extra ordinarily resistant to chemotherapy Neoadjuvant chemotherapy is admistration of chemotherapy before surgery or radiation therapy whereas adjuvant chemotherapy is used after surgery', 'role': 'assistant'}]