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
A female undergone surgery for left breast cancer 3 yrs back now developed blue nodule on same side 
Select and explain. 
A. Lymphangiosarcoma, B. Recurrence, C. Hemangioma, D. Cellulitis
A: Lymphangiosarcoma
Answer: A: Lymphangiosarcoma 
Explanation: Answer- A. LymphangiosarcomaAngiosarcoma is a vascular tumor which may arise de novo in the breast or as a complication of the radiation therapy.