This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
[{'content': 'Following hormonal levels are increased in small cell carcinoma of lung except \nSelect and explain. \nA. ACTH, B. Growth hormone, C. ANF, D. AVP', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hormones produced by small cell variant ACTH AVP ANF calcitonin Gastrin relesinre peptide Ref Harrison 19th edition pg 541', 'role': 'assistant'}]