Figure 1
From: Snail1 expression in colorectal cancer and its correlation with clinical and pathological parameters
Snail1 and E-cadherin staining. Upper left: tumor center; upper right: invasion front; lower left: lymph node metastasis; lower right: normal colonic mucosa. Top row of each sample: positive staining (100x); middle row: detail of boxed area (400x), arrow points to positive nuclear (Snail1) or membranous (E-cadherin) staining; lower row: negative control of same area (400x). Scale = 100μm.