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
Complication of post mastectomy lymph accumulation is- 
Select and explain. 
A. Metastases of cancer, B. Recurrence, C. Lymphosarcoma, D. Pain
C: Lymphosarcoma
Answer: C: Lymphosarcoma 
Explanation: None