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
62 year old patient underwent radical mastectomy 10 years back. She has long standing lymphedema. Now the biopsy shows angiosarcoma. This is known as 
Select and explain. 
A. Stewart treves syndrome, B. Monodors disease, C. Zuskas disease, D. Tietz syndrome
A: Stewart treves syndrome
Answer: A: Stewart treves syndrome 
Explanation: Long standing lymphedema leading to angiosarcoma is known as Stewart treves syndrome.