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': 'Which one of the following clinical features are NOT seen in pheochromocytoma? \nSelect and explain. \nA. Hypertension, B. Episodic palpitations, C. Weight loss, D. Diarrhea', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In pheochromocytoma, there are paroxysms of hypertension and finally, give way to continuous hypertensive state. \nDuring attacks, the patient complains of a headache, palpitations, abdominal pain, and dizziness; pallor, vomiting, and sweating also occur. \nThe child has a good appetite but because the hypermetabolic state does not gain weight, and severe cachexia may develop.', 'role': 'assistant'}]