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: Pathology
Pheochromocytoma does not arise from which of the following - 
Select and explain. 
A. Adrenal medulla, B. Adrenal cortex, C. Extra adrenal sites, D. Sympathetic chain
B: Adrenal cortex
Answer: B: Adrenal cortex 
Explanation: Pheochromocytoma

Pheochromocytoma is a neoplasm of chromaffin cells which usually arise from the adrenal medulla.
About 10% of these tumors arise at extra-adrenal sites, where they are called paraganglioma:-


Paravertebral paraganglia (organs of zuckerkandl ) → Have sympathetic connection.
Carotid bodies (chemodectomas).