Figure 2

Immunohistochemical staining, Brown particle was regarded as positive staining signal. (a), Immunostaining of EMA (200×), EMA antibody was from MaiXin and was 1:80 diluted; (b), Immunostaining of cytokeratin (200×), CK antibody was from MaiXin and was 1:60 diluted; (c), Immunostaining of Vimentin (200×), Vim antibody was from Zhong Shan and was 1:100 diluted; (d), Immunostaining of smooth muscle actin (200×), SMA antibody was from MaiXin and was 1:60 diluted; (e), Immunostaining of S-100 (200×), S-100 antibody was from Zhong Shan and was 1:80 diluted; (f), Immunostaining of P-63 (200×); P-63 antibody was from Zhong Shan and was 1:80 diluted; (g), Immunostaining of Calponin (200×) Cal antibody was from MaiXin and was 1:80 diluted;