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
[{'content': 'Non-pitting oedema which does not reduce on elevation of limb belongs to which grade of lymphoedema \nSelect and explain. \nA. Latent, B. Grade I, C. Grade II, D. Grade III', 'role': 'user'}, {'content': "Answer: C \nExplanation: Brunner's grading of Lymphoedema:-\nLatent = Subclinical\nGrade I = Spontaneously reversible lymphoedema\nGrade II = Spontaneously irreversible lymphoedema\nGrade III = Irreversible skin changes like-fibrosis, fissuring in lymphoedema.", 'role': 'assistant'}]