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: Medicine
Weight gain is seen in all, except - 
Select and explain. 
A. Phaeochromocytoma, B. Insulinoma, C. Myxoedema, D. Cushing's disease
A: Phaeochromocytoma
Answer: A: Phaeochromocytoma 
Explanation: None