Indoleamine 2,3-Dioxygenase (IDO) Expression Is an Independent Prognostic Marker in Esophageal Adenocarcinoma

Figure 2

Immunohistochemistry of IDO and INF-γ mRNA analysis: (a) high IDO expression on tumor-infiltrating lymphocytes; (b) IDO expression of tumor cells; (c) mRNA of INF-γ (red signals) on tumor cells.

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(b)

(c)