This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lymphatic System, Subject name: Surgery
Which of the following are seen in chronic lymphedema? 
Select and explain. 
A. Buffalo hump, B. Square toes, C. Stemmer's sign, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Signs of Chronic Lymphedema Buffalo hump - Contour of the ankle is lost through infilling of the sub malleolar depressions, a 'buffalo hump' forms on the dorsum of the foot Square toes - Toes appear 'Square because of confinement of footwear Stemmer's sign - Skin on the dorsum of the toes cannot be pinched because of subcutaneous fibrosis