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
Anti CD120 antibody is now the treatment of choice for - 
Select and explain. 
A. All low grade non-hodgkin's lymphomas, B. Relapsed B cell follicular lymphomas, C. Relapsed Hodgkin's disease, D. Chronic lymphatic leukaemia
A: All low grade non-hodgkin's lymphomas
Answer: A: All low grade non-hodgkin's lymphomas 
Explanation: None