"Brain death? Isn't he dead?" Han Li's heart suddenly tightened. Although she knew nothing about medical common sense, she still knew what brain death meant. Her tears flowed down immediately. Ding Ning knew that she had thought too much and quickly explained, "Sister-in-law, don't worry. I did not say that Brother Qian has brain death. I just explained the difference between deep coma and PVS to Xiaoniu. I pricked Brother Qian with a silver needle. Brother Qian's muscles are stimulated but unresponsive, which means he is still in a deep coma. Although this state is also dangerous, it is much better than becoming a PVS. I just need to repair his cerebral cortical dysfunction." "Doctor Ding, you must save Yongjin. I beg you. As long as you can cure Yongjin, I am willing to do anything f