Figure 10.

Histological observation of the lung in four groups (A-D). (A): The normal lung of group NS (HE × 100); (B) Many metastatic nodes in the lung of group SACC-M (HE × 100); (C) Many metastatic nodes in the lung of group SACC-M-HK (HE × 100); (D) Only a few smaller metastatic nodes in the lung of group SACC-M-WJ4 (HE × 100).