How did Bai die?

The condition worsened, leading to death. The white disease began at 20 1 1. At that time, she was diagnosed with lung cancer, but she refused to receive treatment. She only received Chinese medicine treatment, but there was no obvious therapeutic effect. 20 13, Bai's condition deteriorated and he finally died. The novel Light in the Night is a relatively complete novel, and the main characters rarely pass by.