This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pathology
[{'content': 'Best test to detect benign form malignant thyroid is \nSelect and explain. \nA. FNAC, B. CT scan, C. Excision, D. MRI', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Robbins basic pathology 9th edition page no, 729, Answer is option 3,excision Ultimately it is the morphological evaluation of a given thyroid nodule by fine needle aspiration, combined with histological study of surgically resected thyroid parenchyma, that provides the most defenitive information about its nature.', 'role': 'assistant'}]