This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
[{'content': 'FNAC cannot detect which of the following ? \nSelect and explain. \nA. Follicular carcinoma, B. Colloid goitre, C. Papillary carcinoma, D. Hashimoto thyroiditis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: in follicullar carcinoma FNAC is inconclusive because capsular and angioinvasion which can&;t be detected by FNAC ref ;(page no;483) 5th edition of SRB&;S Manual of SURGERY', 'role': 'assistant'}]