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Table 2 Immunohistochemical staining for primary tumors and metastatic site

From: Wnt3a expression is associated with MMP-9 expression in primary tumor and metastatic site in recurrent or stage IV colorectal cancer

  Wnt3a Wnt5a β-catenin MMP-9 VEGFR-2
Primary tumor 51 (61.4%) 58 (69.9%) 70 (84.3%) 45 (54.2%) 30 (36.1%)
Metastatic site 38 (45.8%) 39 (47.0%) 44 (53.0%) 28 (33.7%) 22 (26.5%)
Concordance rate 79.4% 76.2% 79.4% 68.3% 40.0%