### Chinese: 申俊飞说，比如癌症早期检查时，医生如果不能及时看清所有肿瘤组织，那么之后癌细胞还会扩散。
### English: Shen Junfei said, for example, when the early examination of cancer, if the doctor can not see all the tumor tissue in time, then the cancer cells will <v>spread</v> afterwards.

### Improved English: According to Shen Junfei, for example, in early inspection of cancer, if doctors cannot see clearly all the tumor tissues in a timely manner, the tumor cells will still spread.
