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': 'The paraneoplastic hypercalcemia in lymphoma is due to ectopic production of which of the following? \nSelect and explain. \nA. Parathyroid hormone-related protein, B. 1,25 dihydroxyvitamin D, C. Parathyroid hormone, D. Prostaglandin E2', 'role': 'user'}, {'content': 'Answer: B \nExplanation: This is an impoant topic as it is frequently asked in entrance exams. Please go through it in detail: Paraneoplastic manifestation Ectopic Hormone Typical Tumor Types Hypercalcemia Parathyroid hormone-related protein Squamous cell carcinoma (head and neck, lung, skin), breast, genitourinary, gastrointestinal tumors Hypercalcemia 1,25 dihydroxyvitamin D Lymphomas Hypercalcemia Parathyroid hormone Lung, ovary Hypercalcemia Prostaglandin E2 Renal, lung Ref: Harrisons Principles of Internal Medicine, 18th Edition: Table 100-1 Paraneoplastic Syndromes Caused by Ectopic Hormone Production.', 'role': 'assistant'}]