I also notice a 55 year old lady, Madam Xu from Harbin. She raised a question as she asks if the nasosinusitis can turn into nasopharyngeal cancer.

• 我刚才还注意到哈尔滨有位55岁的徐女士,她发来一个问题,她问鼻窦炎会不会转成鼻咽癌。