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
In staging of Hodgkin's lymphoma, bilateral involvement
of lymph nodes on either side of diaphragm is 
Select and explain. 
A. Stage-I, B. State-II, C. Stage-III, D. Stage-IV
C: Stage-III
Answer: C: Stage-III 
Explanation: None