Is the extent of lymph node sweeping for breast lumpectomy the same as for open surgery? Answer: At least the same. Because the lumpectomy can “turn” inside the breast, it is a little more extensive and more thorough. Do you need to sweep both metastatic and non-metastatic lymph nodes? Answer: Most of the lymph nodes are cleared without metastasis. Some lymph nodes cannot be determined to be cancerous at the time of lymph node dissection, so they will be dissected for safety and to prevent missing. Will there be any case of switching to open surgery in the middle of breast lumpectomy? Answer: This can happen. When the lymph nodes and blood vessels are stuck together, the breast lumpectomy will peel off the lymph nodes from the blood vessels, which will easily cause the blood vessels to bleed and the breast lumpectomy view will be affected by the blood, and it will be changed to open surgery at that time. Switching to open surgery midway through the procedure is not a failure of the procedure, but a wise choice in order to clear the lymph nodes more completely. Does breast lumpectomy have its own specific complications? Response: No more complications than open surgery have been identified. What is the 5-year survival rate after breast lumpectomy? Is there a difference from traditional open surgery? A: The overall survival rate after breast lumpectomy is about 80 percent. Traditional open surgery is about 70%. In comparison, the survival rate after lumpectomy is much higher.