This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'Which one of the following clinical features is NOT senn in pheochromocytoma? \nSelect and explain. \nA. Hypeension, B. Episodic palpitations, C. Weight loss, D. Diarrhea', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In pheochromocytoma, there are paroxysms of hypeension and finally give way to continuous hypeensive state. During attacks, the patient complains of headache,palpitations,abdominal pain, and dizziness; pallor, vomiting, and sweating also occur. The child has a good appetite but because of the hypermetabolic state does not gain weight,and severe cachexia may develop. Page 1942, Nelson textbook of pediatrics 19th edition', 'role': 'assistant'}]