How could Qian Li have advanced lung cancer?

Smoking?

But in Su Ling's impression, although Qian Li could smoke, her smoking was not even as good as Li Tianjue!

Why is it that Li Tianjue is fine, but Qian Li is sick?

Su Ling's hands were trembling slightly, and her scalp was numb with worry, but she didn't want Ding Ding to find out and get involved, so she would tell Li Tianjue later.

She decided to finish her work, go back to her room, and call Qian Li ...