This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Adrenal Gland, Subject name: Medicine
All are features of MEN2B except? 
Select and explain. 
A. Mucosal neuroma, B. Marfanoid Habitus, C. Medullated corneal nerve fibres, D. Meningioma
D: Meningioma
Answer: D: Meningioma 
Explanation: MEN2B Medullary Thyroid Cancer with pheochromocytoma and associated abnormalities: Mucosal neuroma Marfanoid Habitus Medullated corneal nerve fibres Megacolon