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': 'Which one of the following is true about follicular carcinoma of thyroid? \nSelect and explain. \nA. Is the most common thyroid cancer, B. Is readily diagnosed by FNAC, C. More commonly spreads through hematogenous route, D. Is commonly seen as multifocal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: follicullar carcinoma is not a common thyroid cancer,occurance is 10-15%. it spreads mainly through blood into bones,lungs ,liver FNAC is inconclusive , because capsular and angioinvasion which can&;t be detected by FNAC It is a well localised, nonmobile, soft, fluctuant and pulsatile secondaries in the skull ref ;(page no;482) 5th edition of SRB&;S Manual of SURGERY', 'role': 'assistant'}]