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
Most common symptoms of pheochromocytoma except - 
Select and explain. 
A. Headache, B. Palpitation, C. Abdominal pain, D. Hypotension
D: Hypotension
Answer: D: Hypotension 
Explanation: episodes of palpitation , headaches and abdominal pain , hypeension (Harrison 17 pg 2270)