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
Which is NOT a component of Werner's syndrome- 
Select and explain. 
A. Pituitary, B. Adrenal, C. Parathyroid, D. Pancreas
B: Adrenal
Answer: B: Adrenal 
Explanation: MEN I or Werner's syndrome is characterized by abnormalities involving the parathyroid, Pancreas & Pituitary glands (3Ps)
Parathyroid → Primary hyperparathyroidism is the most common manifestation of MEN I
Pituitary → The most common type of anterior pituitary tumor in MEN I is Prolactinoma
Pancreas → Includes Islet cell tumors
Note: Adrenals (pheochromocytoma) may also be involved, but less commonly.