Figure 9.

Lung metastasis samples of different groups (A-E). 9 (A) The normal lung of group N.S without metastatic tumor; (B) The lungs of group SACC-M with many metastatic tumors; (C) The lungs of group SACC-M-HK full of metastatic tumors; (D) The lungs of group SACC-M-WJ4 with few metastatic tumors; (E) The lung samples of the different group fixed with Formalin. (F) The number of metastasis node on lung surface of different group.