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
Radiotherapy is treatment of choice in 
Select and explain. 
A. Sarcoidosis, B. Tuberculosis, C. Monoclonal hypogammaglobulinemia, D. Sarcomas
C: Monoclonal hypogammaglobulinemia
Answer: C: Monoclonal hypogammaglobulinemia 
Explanation: None