This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Hot nodule in liver scan is due to(NOT RELAVENT TO PHARMACOLOGY) \nSelect and explain. \nA. Hepatic adenoma, B. Focal nodular hyperplasia, C. Metastasis, D. HCC', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 50% of the focal nodular hyperplasia shows presence of Kupfer cells (phagocytes). So uptake of sulphur colloid is noted in these lesions. No uptake is seen in HCC, hepatic adenoma and metastases', 'role': 'assistant'}]