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
All of the following are seen in MEN IIB except? 
Select and explain. 
A. Hyperparathyroidism, B. Neuromas, C. Medullary carcinoma, D. Pheochromocytoma
A: Hyperparathyroidism
Answer: A: Hyperparathyroidism 
Explanation: Hyperparathyroidism