Figure 2

Histological appearance of Hewga-CCS xenografts and primary tumor. (A, E) Hematoxylin/eosin (HE) staining and immunohistochemical staining showing expression of (B, F) S-100 protein, (C, G) Melan-A, and (D, H) HMB45 in the Hewga-CCS xenografts and primary tumor. Bar: 100 μm.