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Fig. 1 | BMC Cancer

Fig. 1

From: Expression of fibronectin in esophageal squamous cell carcinoma and its role in migration

Fig. 1

FN expression and clinical significance in ESCC patients. a, b Immunohistochemical analyses showing that FN is mainly expressed in the tumor stroma (a), with less frequent expression in tumor cells (b). Magnification, × 400. (c–f). Immunohistochemical grading standards, 1–4, corresponding to stained areas of < 25% (c), 25–50% (d), 50–75% (e), and > 75% (f), respectively. Magnification, × 400. (g, h) Kaplan-Meier survival curves for patients with ESCC, showing poorer OS (g; P = 0.002) and PFS (h; P < 0.001) for patients with high stromal FN expression compared to those with low stromal FN expression. Scale bar = 100 μm

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