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
Non-pitting oedema which does not reduce on elevation of limb belongs to which grade of lymphoedema 
Select and explain. 
A. Latent, B. Grade I, C. Grade II, D. Grade III
C: Grade II
Answer: C: Grade II 
Explanation: Brunner's grading of Lymphoedema:-
Latent = Subclinical
Grade I = Spontaneously reversible lymphoedema
Grade II = Spontaneously irreversible lymphoedema
Grade III = Irreversible skin changes like-fibrosis, fissuring in lymphoedema.