"We are already looking for a matching donor in the bone marrow bank. You just need to wait for the news," the doctor said.

"How long will it take?"

"If all goes well, it will probably be about half a month."

"Is it not going well?" The doctor hesitated for a few seconds before replying, "The success rate of bone marrow matching is usually one in a few million... the probability is very low. Whether there is a match is one thing. If there is a match, rejection may also occur."

"Rejection?"