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: Medicine
[{'content': 'Pathognomonic enlarged, grayish yellow or orange tonsils are seen in: \nSelect and explain. \nA. Familial hypercholesterolemia, B. LCAT deficiency, C. Tangier disease, D. Abetalipoproteinemia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Patients with Tangier disease have extremely low circulating plasma levels of HDL-C ( Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 3154', 'role': 'assistant'}]