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. 2019 Mar 24;10(3):136–148. doi: 10.5306/wjco.v10.i3.136

Figure 2.

Figure 2

Immunohistochemical analysis of fibroblast growth factor receptor 4 in primary head and neck squamous cell carcinoma tissue. A: High expression of fibroblast growth factor receptor 4 (FGFR4) in tissue of oropharyngeal carcinoma; B: Medium expression of FGFR4 in tissue of oropharyngeal carcinoma; C: Low expression of FGFR4 in tissue of oropharyngeal carcinoma; D: Expression of FGFR4 in healthy tissue of oropharyngeal mucosa (Mag. ×40).