This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
Not associated with thymoma is 
Select and explain. 
A. Red cell aplasia, B. Myasthenia gravis, C. Hypergammaglobulinemia, D. Compression of the mediastinum
C: Hypergammaglobulinemia
Answer: C: Hypergammaglobulinemia 
Explanation: Hypogammaglobulinemia is seen in thymoma not Hypergammaglobulinemia . ref harrisons internal medicine 20e p2496 , 729 ,3232, 3237