Figure 1From: The density of macrophages in the invasive front is inversely correlated to liver metastasis in colon cancerRepresentative pictures of CD68TF Hotspot in colon cancer patients (200× magnification). Different grades of macrophage infiltration along the tumor front were examined with immunohistochemical assay: A, no/low, B, moderate, C, high, and D, massive. Arrows point at tumor front.Back to article page