This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Medicine
Stage of Hodgkins lymphoma with right sided neck nodes and left inguinal node without fever - 
Select and explain. 
A. Ia, B. IIa, C. IIIa, D. IVa
C: IIIa
Answer: C: IIIa 
Explanation: <p>According to Ann Arbor staging Classification of Hodgkin&;s disease, Stage 3 A includes involvement of lymph node regions on both sides of the diaphragm & is asymptomatic .</p><p>Reference:Harsh mohan textbook of pathology sixth edition pg no 372.</p>