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
Milroys disease is lymphedema which is- 
Select and explain. 
A. Familial, B. Follows filariasis, C. Follows erysipelas, D. A sequele to white leg
A: Familial
Answer: A: Familial 
Explanation: None