This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
Most common sign/symptom of phaeochromocytoma 
Select and explain. 
A. Hypeension, B. Headache, C. Sweating, D. Palpitation
A: Hypeension
Answer: A: Hypeension 
Explanation: Clinical signs of phaeochromocytomaSymptomsPrevalence (%)Hypeension Paroxysmal Continuous 80-9050-6030Headache 60-90Sweating 50-70Palpitation 50-70Pallor 40-45Weight loss 20-40Hyperglycaemia 40Nausea 20-40Psychological effects 20-40Ref: Bailey and Love 27e pg: 845