This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Ann Arbor classification is used for? 
Select and explain. 
A. Retinoblastoma, B. Nephroblastoma, C. Neuroblastoma, D. Hodgkin lymphoma
D: Hodgkin lymphoma
Answer: D: Hodgkin lymphoma 
Explanation: Robbins basic pathology 9th edition page no 442,tabke11-10 By this classification hodgkins and non hodgkins lymphoma are divided into 4stages