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: Surgery
Which among the following is a feature or Hodgkin's Lymphoma 
Select and explain. 
A. Chemotherapy is mainstay of treatment, B. Splenomegaly uncommon, C. Epitrochlear node involved commonly, D. Symmetrical pattern of involvement
D: Symmetrical pattern of involvement
Answer: D: Symmetrical pattern of involvement 
Explanation: Hodgkin's Lymphoma has symmetrical and consecutive pattern of involvement. Rest are the features of non-hodgkin's Lymphoma.