Figure 2

Immunohistochemical staining of cyclin D1 expression in normal and cancer tissues of the esophagus. In all normal esophageal mucosa, cyclin D1 staining was negative (a). In some cancer tissues, cyclin D1 was expressed at the nuclei (b).

Immunohistochemical staining of cyclin D1 expression in normal and cancer tissues of the esophagus. In all normal esophageal mucosa, cyclin D1 staining was negative (a). In some cancer tissues, cyclin D1 was expressed at the nuclei (b).