<prompt> Which one of the following clinical features are NOT seen in pheochromocytoma?HypertensionEpisodic palpitationsWeight lossDiarrhea  <response>: In pheochromocytoma, there are paroxysms of hypertension and finally, give way to continuous hypertensive state. During attacks, the patient complains of a headache, palpitations, abdominal pain, and dizziness; pallor, vomiting, and sweating also occur. The child has a good appetite but because the hypermetabolic state does not gain weight, and severe cachexia may develop. 